{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26947", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.197Z", "datePublished": "2024-05-01T05:18:17.316Z", "dateUpdated": "2025-05-04T12:55:15.719Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T12:55:15.719Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses\n\nSince commit a4d5613c4dc6 (\"arm: extend pfn_valid to take into account\nfreed memory map alignment\") changes the semantics of pfn_valid() to check\npresence of the memory map for a PFN. A valid page for an address which\nis reserved but not mapped by the kernel[1], the system crashed during\nsome uio test with the following memory layout:\n\n node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]\n node 0: [mem 0x00000000d0000000-0x00000000da1fffff]\n the uio layout is\uff1a0xc0900000, 0x100000\n\nthe crash backtrace like:\n\n Unable to handle kernel paging request at virtual address bff00000\n [...]\n CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1\n Hardware name: Generic DT based system\n PC is at b15_flush_kern_dcache_area+0x24/0x3c\n LR is at __sync_icache_dcache+0x6c/0x98\n [...]\n (b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)\n (__sync_icache_dcache) from (set_pte_at+0x28/0x54)\n (set_pte_at) from (remap_pfn_range+0x1a0/0x274)\n (remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])\n (uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)\n (__mmap_region) from (__do_mmap_mm+0x3ec/0x440)\n (__do_mmap_mm) from (do_mmap+0x50/0x58)\n (do_mmap) from (vm_mmap_pgoff+0xfc/0x188)\n (vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)\n (ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)\n Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)\n ---[ end trace 09cf0734c3805d52 ]---\n Kernel panic - not syncing: Fatal exception\n\nSo check if PG_reserved was set to solve this issue.\n\n[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm/mm/flush.c"], "versions": [{"version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "0c027c2bad7f5111c51a358b5d392e1a695dabff", "status": "affected", "versionType": "git"}, {"version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "9f7ddc222cae8254e93d5c169a8ae11a49d912a7", "status": "affected", "versionType": "git"}, {"version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "fb3a122a978626b33de3367ee1762da934c0f512", "status": "affected", "versionType": "git"}, {"version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "0c66c6f4e21cb22220cbd8821c5c73fc157d20dc", "status": "affected", "versionType": "git"}, {"version": "6026d4032dbbe3d7f4ac2c8daa923fe74dcf41c4", "status": "affected", "versionType": "git"}, {"version": "65c578935bcc26ddc04e6757b2c7be95bf235b31", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm/mm/flush.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.24", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.12", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.3", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.7.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.8.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.87"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff"}, {"url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7"}, {"url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512"}, {"url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc"}], "title": "ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-17T17:40:49.744241Z", "id": "CVE-2024-26947", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:46:53.297Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.505Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.505Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26947", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-17T17:40:49.744241Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:40:50.725Z"}}], "cna": {"title": "ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "0c027c2bad7f5111c51a358b5d392e1a695dabff", "versionType": "git"}, {"status": "affected", "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "9f7ddc222cae8254e93d5c169a8ae11a49d912a7", "versionType": "git"}, {"status": "affected", "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "fb3a122a978626b33de3367ee1762da934c0f512", "versionType": "git"}, {"status": "affected", "version": "a4d5613c4dc6d413e0733e37db9d116a2a36b9f3", "lessThan": "0c66c6f4e21cb22220cbd8821c5c73fc157d20dc", "versionType": "git"}], "programFiles": ["arch/arm/mm/flush.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.14"}, {"status": "unaffected", "version": "0", "lessThan": "5.14", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.24", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.12", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8.3", "versionType": "semver", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["arch/arm/mm/flush.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff"}, {"url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7"}, {"url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512"}, {"url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses\n\nSince commit a4d5613c4dc6 (\"arm: extend pfn_valid to take into account\nfreed memory map alignment\") changes the semantics of pfn_valid() to check\npresence of the memory map for a PFN. A valid page for an address which\nis reserved but not mapped by the kernel[1], the system crashed during\nsome uio test with the following memory layout:\n\n node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]\n node 0: [mem 0x00000000d0000000-0x00000000da1fffff]\n the uio layout is\uff1a0xc0900000, 0x100000\n\nthe crash backtrace like:\n\n Unable to handle kernel paging request at virtual address bff00000\n [...]\n CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1\n Hardware name: Generic DT based system\n PC is at b15_flush_kern_dcache_area+0x24/0x3c\n LR is at __sync_icache_dcache+0x6c/0x98\n [...]\n (b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)\n (__sync_icache_dcache) from (set_pte_at+0x28/0x54)\n (set_pte_at) from (remap_pfn_range+0x1a0/0x274)\n (remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])\n (uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)\n (__mmap_region) from (__do_mmap_mm+0x3ec/0x440)\n (__do_mmap_mm) from (do_mmap+0x50/0x58)\n (do_mmap) from (vm_mmap_pgoff+0xfc/0x188)\n (vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)\n (ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)\n Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)\n ---[ end trace 09cf0734c3805d52 ]---\n Kernel panic - not syncing: Fatal exception\n\nSo check if PG_reserved was set to solve this issue.\n\n[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.24", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.12", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8.3", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.4.167"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.10.87"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:00:26.839Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26947", "state": "PUBLISHED", "dateUpdated": "2025-05-04T09:00:26.839Z", "dateReserved": "2024-02-19T14:20:24.197Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-01T05:18:17.316Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses\n\nSince commit a4d5613c4dc6 (\"arm: extend pfn_valid to take into account\nfreed memory map alignment\") changes the semantics of pfn_valid() to check\npresence of the memory map for a PFN. A valid page for an address which\nis reserved but not mapped by the kernel[1], the system crashed during\nsome uio test with the following memory layout:\n\n node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]\n node 0: [mem 0x00000000d0000000-0x00000000da1fffff]\n the uio layout is\uff1a0xc0900000, 0x100000\n\nthe crash backtrace like:\n\n Unable to handle kernel paging request at virtual address bff00000\n [...]\n CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1\n Hardware name: Generic DT based system\n PC is at b15_flush_kern_dcache_area+0x24/0x3c\n LR is at __sync_icache_dcache+0x6c/0x98\n [...]\n (b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)\n (__sync_icache_dcache) from (set_pte_at+0x28/0x54)\n (set_pte_at) from (remap_pfn_range+0x1a0/0x274)\n (remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])\n (uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)\n (__mmap_region) from (__do_mmap_mm+0x3ec/0x440)\n (__do_mmap_mm) from (do_mmap+0x50/0x58)\n (do_mmap) from (vm_mmap_pgoff+0xfc/0x188)\n (vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)\n (ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)\n Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)\n ---[ end trace 09cf0734c3805d52 ]---\n Kernel panic - not syncing: Fatal exception\n\nSo check if PG_reserved was set to solve this issue.\n\n[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ARM: 9359/1: descarga: verifique si la publicaci\u00f3n est\u00e1 reservada para direcciones sin asignaci\u00f3n. Desde el commit a4d5613c4dc6 (\"arm: extienda pfn_valid para tener en cuenta la alineaci\u00f3n del mapa de memoria liberada\") cambia la sem\u00e1ntica de pfn_valid() para verificar la presencia del mapa de memoria para un PFN. A valid page for an address which is reserved but not mapped by the kernel[1], the system crashed during some uio test with the following memory layout: node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff] node 0: [mem 0x00000000d0000000-0x00000000da1fffff] el dise\u00f1o de uio es? 0xc0900000, 0x100000 el seguimiento del fallo es como: No se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual bff00000 [...] CPU: 1 PID: 465 Comm: startapp.bin Contaminado: GO 5.10.0 #1 Nombre del hardware: La PC del sistema basado en DT gen\u00e9rico est\u00e1 en b15_flush_kern_dcache_area+0x24/0x3c LR est\u00e1 en __sync_icache_dcache+0x6c/0x98 [...] (b15_flush_kern_dcache_area) de (__sync_icache_dcache+0x6c/0x98) (__sync_icache_dcache) de (set_pte_at+0x2 8/0x54) (set_pte_at) desde (remap_pfn_range+0x1a0/0x274) (remap_pfn_range) desde (uio_mmap+0x184/0x1b8 [uio]) (uio_mmap [uio]) desde (__mmap_region+0x264/0x5f4) (__mmap_region) desde (__do_mmap_mm+0x3ec/0x440) mil\u00edmetros) de (do_mmap+0x50/0x58) (do_mmap) de (vm_mmap_pgoff+0xfc/0x188) (vm_mmap_pgoff) de (ksys_mmap_pgoff+0xac/0xc4) (ksys_mmap_pgoff) de (ret_fast_syscall+0x0/0x5c) C\u00f3digo: e0801001 423001 e1c00003 f57ff04f (ee070f3e) ---[ end trace 09cf0734c3805d52 ]--- P\u00e1nico del kernel - no se sincroniza: excepci\u00f3n fatal. As\u00ed que verifique si PG_reserved estaba configurado para resolver este problema. [1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/"}], "id": "CVE-2024-26947", "lastModified": "2024-11-21T09:03:27.780", "metrics": {}, "published": "2024-05-01T06:15:10.607", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/0c027c2bad7f5111c51a358b5d392e1a695dabff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/0c66c6f4e21cb22220cbd8821c5c73fc157d20dc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/9f7ddc222cae8254e93d5c169a8ae11a49d912a7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/fb3a122a978626b33de3367ee1762da934c0f512"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:6997", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.37.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:6997", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.37.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:5066", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.77.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-07T00:00:00Z"}, {"advisory": "RHSA-2024:5067", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.77.1.rt14.362.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-07T00:00:00Z"}], "bugzilla": {"description": "kernel: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses", "id": "2278167", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278167"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-439", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses\nSince commit a4d5613c4dc6 (\"arm: extend pfn_valid to take into account\nfreed memory map alignment\") changes the semantics of pfn_valid() to check\npresence of the memory map for a PFN. A valid page for an address which\nis reserved but not mapped by the kernel[1], the system crashed during\nsome uio test with the following memory layout:\nnode 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]\nnode 0: [mem 0x00000000d0000000-0x00000000da1fffff]\nthe uio layout is\uff1a0xc0900000, 0x100000\nthe crash backtrace like:\nUnable to handle kernel paging request at virtual address bff00000\n[...]\nCPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1\nHardware name: Generic DT based system\nPC is at b15_flush_kern_dcache_area+0x24/0x3c\nLR is at __sync_icache_dcache+0x6c/0x98\n[...]\n(b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)\n(__sync_icache_dcache) from (set_pte_at+0x28/0x54)\n(set_pte_at) from (remap_pfn_range+0x1a0/0x274)\n(remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])\n(uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)\n(__mmap_region) from (__do_mmap_mm+0x3ec/0x440)\n(__do_mmap_mm) from (do_mmap+0x50/0x58)\n(do_mmap) from (vm_mmap_pgoff+0xfc/0x188)\n(vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)\n(ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)\nCode: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)\n---[ end trace 09cf0734c3805d52 ]---\nKernel panic - not syncing: Fatal exception\nSo check if PG_reserved was set to solve this issue.\n[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/", "A flaw was found in the Linux kernel\u2019s ARM memory management functionality, where certain memory layouts cause a kernel panic. This flaw allows an attacker who can specify or alter memory layouts to cause a denial of service."], "name": "CVE-2024-26947", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26947\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26947\nhttps://lore.kernel.org/linux-cve-announce/2024050126-CVE-2024-26947-c9b8@gregkh/T"], "threat_severity": "Moderate"}

{}