{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52582", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-02T21:55:42.569Z", "datePublished": "2024-03-02T21:59:48.490Z", "dateUpdated": "2024-11-04T14:49:08.710Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:49:08.710Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Only call folio_start_fscache() one time for each folio\n\nIf a network filesystem using netfs implements a clamp_length()\nfunction, it can set subrequest lengths smaller than a page size.\n\nWhen we loop through the folios in netfs_rreq_unlock_folios() to\nset any folios to be written back, we need to make sure we only\ncall folio_start_fscache() once for each folio.\n\nOtherwise, this simple testcase:\n\n mount -o fsc,rsize=1024,wsize=1024 127.0.0.1:/export /mnt/nfs\n dd if=/dev/zero of=/mnt/nfs/file.bin bs=4096 count=1\n 1+0 records in\n 1+0 records out\n 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0126359 s, 324 kB/s\n echo 3 > /proc/sys/vm/drop_caches\n cat /mnt/nfs/file.bin > /dev/null\n\nwill trigger an oops similar to the following:\n\n page dumped because: VM_BUG_ON_FOLIO(folio_test_private_2(folio))\n ------------[ cut here ]------------\n kernel BUG at include/linux/netfs.h:44!\n ...\n CPU: 5 PID: 134 Comm: kworker/u16:5 Kdump: loaded Not tainted 6.4.0-rc5\n ...\n RIP: 0010:netfs_rreq_unlock_folios+0x68e/0x730 [netfs]\n ...\n Call Trace:\n netfs_rreq_assess+0x497/0x660 [netfs]\n netfs_subreq_terminated+0x32b/0x610 [netfs]\n nfs_netfs_read_completion+0x14e/0x1a0 [nfs]\n nfs_read_completion+0x2f9/0x330 [nfs]\n rpc_free_task+0x72/0xa0 [sunrpc]\n rpc_async_release+0x46/0x70 [sunrpc]\n process_one_work+0x3bd/0x710\n worker_thread+0x89/0x610\n kthread+0x181/0x1c0\n ret_from_fork+0x29/0x50"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/netfs/buffered_read.c"], "versions": [{"version": "3d3c95046742", "lessThan": "df9950d37df1", "status": "affected", "versionType": "git"}, {"version": "3d3c95046742", "lessThan": "d9f5537479d4", "status": "affected", "versionType": "git"}, {"version": "3d3c95046742", "lessThan": "df1c357f25d8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/netfs/buffered_read.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.56", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.6", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/df9950d37df113db59495fa09d060754366a2b7c"}, {"url": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a"}, {"url": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412"}], "title": "netfs: Only call folio_start_fscache() one time for each folio", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52582", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-04T19:13:04.085277Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:23:51.958Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.213Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/df9950d37df113db59495fa09d060754366a2b7c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/df9950d37df113db59495fa09d060754366a2b7c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.213Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52582", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-04T19:13:04.085277Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:14.749Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "netfs: Only call folio_start_fscache() one time for each folio", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3d3c95046742", "lessThan": "df9950d37df1", "versionType": "git"}, {"status": "affected", "version": "3d3c95046742", "lessThan": "d9f5537479d4", "versionType": "git"}, {"status": "affected", "version": "3d3c95046742", "lessThan": "df1c357f25d8", "versionType": "git"}], "programFiles": ["fs/netfs/buffered_read.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"status": "unaffected", "version": "0", "lessThan": "5.13", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.56", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.5.6", "versionType": "semver", "lessThanOrEqual": "6.5.*"}, {"status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/netfs/buffered_read.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/df9950d37df113db59495fa09d060754366a2b7c"}, {"url": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a"}, {"url": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Only call folio_start_fscache() one time for each folio\n\nIf a network filesystem using netfs implements a clamp_length()\nfunction, it can set subrequest lengths smaller than a page size.\n\nWhen we loop through the folios in netfs_rreq_unlock_folios() to\nset any folios to be written back, we need to make sure we only\ncall folio_start_fscache() once for each folio.\n\nOtherwise, this simple testcase:\n\n mount -o fsc,rsize=1024,wsize=1024 127.0.0.1:/export /mnt/nfs\n dd if=/dev/zero of=/mnt/nfs/file.bin bs=4096 count=1\n 1+0 records in\n 1+0 records out\n 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0126359 s, 324 kB/s\n echo 3 > /proc/sys/vm/drop_caches\n cat /mnt/nfs/file.bin > /dev/null\n\nwill trigger an oops similar to the following:\n\n page dumped because: VM_BUG_ON_FOLIO(folio_test_private_2(folio))\n ------------[ cut here ]------------\n kernel BUG at include/linux/netfs.h:44!\n ...\n CPU: 5 PID: 134 Comm: kworker/u16:5 Kdump: loaded Not tainted 6.4.0-rc5\n ...\n RIP: 0010:netfs_rreq_unlock_folios+0x68e/0x730 [netfs]\n ...\n Call Trace:\n netfs_rreq_assess+0x497/0x660 [netfs]\n netfs_subreq_terminated+0x32b/0x610 [netfs]\n nfs_netfs_read_completion+0x14e/0x1a0 [nfs]\n nfs_read_completion+0x2f9/0x330 [nfs]\n rpc_free_task+0x72/0xa0 [sunrpc]\n rpc_async_release+0x46/0x70 [sunrpc]\n process_one_work+0x3bd/0x710\n worker_thread+0x89/0x610\n kthread+0x181/0x1c0\n ret_from_fork+0x29/0x50"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T12:33:59.588Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52582", "state": "PUBLISHED", "dateUpdated": "2024-11-04T12:33:59.588Z", "dateReserved": "2024-03-02T21:55:42.569Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-02T21:59:48.490Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Only call folio_start_fscache() one time for each folio\n\nIf a network filesystem using netfs implements a clamp_length()\nfunction, it can set subrequest lengths smaller than a page size.\n\nWhen we loop through the folios in netfs_rreq_unlock_folios() to\nset any folios to be written back, we need to make sure we only\ncall folio_start_fscache() once for each folio.\n\nOtherwise, this simple testcase:\n\n mount -o fsc,rsize=1024,wsize=1024 127.0.0.1:/export /mnt/nfs\n dd if=/dev/zero of=/mnt/nfs/file.bin bs=4096 count=1\n 1+0 records in\n 1+0 records out\n 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0126359 s, 324 kB/s\n echo 3 > /proc/sys/vm/drop_caches\n cat /mnt/nfs/file.bin > /dev/null\n\nwill trigger an oops similar to the following:\n\n page dumped because: VM_BUG_ON_FOLIO(folio_test_private_2(folio))\n ------------[ cut here ]------------\n kernel BUG at include/linux/netfs.h:44!\n ...\n CPU: 5 PID: 134 Comm: kworker/u16:5 Kdump: loaded Not tainted 6.4.0-rc5\n ...\n RIP: 0010:netfs_rreq_unlock_folios+0x68e/0x730 [netfs]\n ...\n Call Trace:\n netfs_rreq_assess+0x497/0x660 [netfs]\n netfs_subreq_terminated+0x32b/0x610 [netfs]\n nfs_netfs_read_completion+0x14e/0x1a0 [nfs]\n nfs_read_completion+0x2f9/0x330 [nfs]\n rpc_free_task+0x72/0xa0 [sunrpc]\n rpc_async_release+0x46/0x70 [sunrpc]\n process_one_work+0x3bd/0x710\n worker_thread+0x89/0x610\n kthread+0x181/0x1c0\n ret_from_fork+0x29/0x50"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfs: solo llame a folio_start_fscache() una vez para cada folio. Si un sistema de archivos de red que utiliza netfs implementa una funci\u00f3n abrazadera_longitud(), puede establecer longitudes de subsolicitud m\u00e1s peque\u00f1as que el tama\u00f1o de una p\u00e1gina. Cuando recorremos las publicaciones en netfs_rreq_unlock_folios() para configurar las publicaciones que se reescribir\u00e1n, debemos asegurarnos de llamar solo a folio_start_fscache() una vez para cada publicaci\u00f3n. De lo contrario, este caso de prueba simple: mount -o fsc,rsize=1024,wsize=1024 127.0.0.1:/export /mnt/nfs dd if=/dev/zero of=/mnt/nfs/file.bin bs=4096 count= 1 1+0 registros en 1+0 registros en salida 4096 bytes (4,1 kB, 4,0 KiB) copiados, 0,0126359 s, 324 kB/s echo 3 > /proc/sys/vm/drop_caches cat /mnt/nfs/file.bin > /dev/null desencadenar\u00e1 un error similar al siguiente: p\u00e1gina volcada porque: VM_BUG_ON_FOLIO(folio_test_private_2(folio)) ------------[ cortar aqu\u00ed ]---------- -- \u00a1ERROR del kernel en include/linux/netfs.h:44! ... CPU: 5 PID: 134 Comm: kworker/u16:5 Kdump: cargado No contaminado 6.4.0-rc5 ... RIP: 0010:netfs_rreq_unlock_folios+0x68e/0x730 [netfs] ... Seguimiento de llamadas: netfs_rreq_assess+0x497 /0x660 [netfs] netfs_subreq_terminate+0x32b/0x610 [netfs] nfs_netfs_read_completion+0x14e/0x1a0 [nfs] nfs_read_completion+0x2f9/0x330 [nfs] rpc_free_task+0x72/0xa0 [sunrpc] rpc_a sync_release+0x46/0x70 [sunrpc] proceso_one_work+0x3bd/0x710 hilo_trabajador+0x89/0x610 kthread+0x181/0x1c0 ret_from_fork+0x29/0x50"}], "id": "CVE-2023-52582", "lastModified": "2024-03-04T13:58:23.447", "metrics": {}, "published": "2024-03-02T22:15:49.770", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df9950d37df113db59495fa09d060754366a2b7c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: netfs: improper loop in netfs_rreq_unlock_folios()", "id": "2267762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267762"}, "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": "draft"}, "cwe": "CWE-606", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfs: Only call folio_start_fscache() one time for each folio\nIf a network filesystem using netfs implements a clamp_length()\nfunction, it can set subrequest lengths smaller than a page size.\nWhen we loop through the folios in netfs_rreq_unlock_folios() to\nset any folios to be written back, we need to make sure we only\ncall folio_start_fscache() once for each folio.\nOtherwise, this simple testcase:\nmount -o fsc,rsize=1024,wsize=1024 127.0.0.1:/export /mnt/nfs\ndd if=/dev/zero of=/mnt/nfs/file.bin bs=4096 count=1\n1+0 records in\n1+0 records out\n4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0126359 s, 324 kB/s\necho 3 > /proc/sys/vm/drop_caches\ncat /mnt/nfs/file.bin > /dev/null\nwill trigger an oops similar to the following:\npage dumped because: VM_BUG_ON_FOLIO(folio_test_private_2(folio))\n------------[ cut here ]------------\nkernel BUG at include/linux/netfs.h:44!\n...\nCPU: 5 PID: 134 Comm: kworker/u16:5 Kdump: loaded Not tainted 6.4.0-rc5\n...\nRIP: 0010:netfs_rreq_unlock_folios+0x68e/0x730 [netfs]\n...\nCall Trace:\nnetfs_rreq_assess+0x497/0x660 [netfs]\nnetfs_subreq_terminated+0x32b/0x610 [netfs]\nnfs_netfs_read_completion+0x14e/0x1a0 [nfs]\nnfs_read_completion+0x2f9/0x330 [nfs]\nrpc_free_task+0x72/0xa0 [sunrpc]\nrpc_async_release+0x46/0x70 [sunrpc]\nprocess_one_work+0x3bd/0x710\nworker_thread+0x89/0x610\nkthread+0x181/0x1c0\nret_from_fork+0x29/0x50", "An improper loop flaw was found in netfs_rreq_unlock_folios() in the Linux kernel. This may lead to compromised Availability."], "name": "CVE-2023-52582", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52582\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52582\nhttps://lore.kernel.org/linux-cve-announce/2024030258-CVE-2023-52582-07c8@gregkh/T/#u"], "threat_severity": "Moderate", "upstream_fix": "kernel 6.1.56, kernel 6.5.6, kernel 6.6"}