{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26591", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.126Z", "datePublished": "2024-02-22T16:21:43.756Z", "dateUpdated": "2024-11-05T09:12:07.757Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:12:07.757Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix re-attachment branch in bpf_tracing_prog_attach\n\nThe following case can cause a crash due to missing attach_btf:\n\n1) load rawtp program\n2) load fentry program with rawtp as target_fd\n3) create tracing link for fentry program with target_fd = 0\n4) repeat 3\n\nIn the end we have:\n\n- prog->aux->dst_trampoline == NULL\n- tgt_prog == NULL (because we did not provide target_fd to link_create)\n- prog->aux->attach_btf == NULL (the program was loaded with attach_prog_fd=X)\n- the program was loaded for tgt_prog but we have no way to find out which one\n\n BUG: kernel NULL pointer dereference, address: 0000000000000058\n Call Trace:\n <TASK>\n ? __die+0x20/0x70\n ? page_fault_oops+0x15b/0x430\n ? fixup_exception+0x22/0x330\n ? exc_page_fault+0x6f/0x170\n ? asm_exc_page_fault+0x22/0x30\n ? bpf_tracing_prog_attach+0x279/0x560\n ? btf_obj_id+0x5/0x10\n bpf_tracing_prog_attach+0x439/0x560\n __sys_bpf+0x1cf4/0x2de0\n __x64_sys_bpf+0x1c/0x30\n do_syscall_64+0x41/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nReturn -EINVAL in this situation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/syscall.c"], "versions": [{"version": "f3a95075549e", "lessThan": "a7b98aa10f89", "status": "affected", "versionType": "git"}, {"version": "f3a95075549e", "lessThan": "6cc9c0af0aa0", "status": "affected", "versionType": "git"}, {"version": "f3a95075549e", "lessThan": "8c8bcd45e9b1", "status": "affected", "versionType": "git"}, {"version": "f3a95075549e", "lessThan": "50ae82f080cf", "status": "affected", "versionType": "git"}, {"version": "f3a95075549e", "lessThan": "715d82ba636c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/syscall.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.148", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.75", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.14", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.2", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653"}, {"url": "https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0"}, {"url": "https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c"}, {"url": "https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b"}, {"url": "https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee"}], "title": "bpf: Fix re-attachment branch in bpf_tracing_prog_attach", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26591", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-04T20:57:55.104919Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:21:05.953Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.536Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.536Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26591", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-04T20:57:55.104919Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T15:20:37.841Z"}}], "cna": {"title": "bpf: Fix re-attachment branch in bpf_tracing_prog_attach", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "f3a95075549e", "lessThan": "a7b98aa10f89", "versionType": "git"}, {"status": "affected", "version": "f3a95075549e", "lessThan": "6cc9c0af0aa0", "versionType": "git"}, {"status": "affected", "version": "f3a95075549e", "lessThan": "8c8bcd45e9b1", "versionType": "git"}, {"status": "affected", "version": "f3a95075549e", "lessThan": "50ae82f080cf", "versionType": "git"}, {"status": "affected", "version": "f3a95075549e", "lessThan": "715d82ba636c", "versionType": "git"}], "programFiles": ["kernel/bpf/syscall.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": "5.15.148", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.75", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.14", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.2", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/bpf/syscall.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653"}, {"url": "https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0"}, {"url": "https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c"}, {"url": "https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b"}, {"url": "https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix re-attachment branch in bpf_tracing_prog_attach\n\nThe following case can cause a crash due to missing attach_btf:\n\n1) load rawtp program\n2) load fentry program with rawtp as target_fd\n3) create tracing link for fentry program with target_fd = 0\n4) repeat 3\n\nIn the end we have:\n\n- prog->aux->dst_trampoline == NULL\n- tgt_prog == NULL (because we did not provide target_fd to link_create)\n- prog->aux->attach_btf == NULL (the program was loaded with attach_prog_fd=X)\n- the program was loaded for tgt_prog but we have no way to find out which one\n\n BUG: kernel NULL pointer dereference, address: 0000000000000058\n Call Trace:\n <TASK>\n ? __die+0x20/0x70\n ? page_fault_oops+0x15b/0x430\n ? fixup_exception+0x22/0x330\n ? exc_page_fault+0x6f/0x170\n ? asm_exc_page_fault+0x22/0x30\n ? bpf_tracing_prog_attach+0x279/0x560\n ? btf_obj_id+0x5/0x10\n bpf_tracing_prog_attach+0x439/0x560\n __sys_bpf+0x1cf4/0x2de0\n __x64_sys_bpf+0x1c/0x30\n do_syscall_64+0x41/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nReturn -EINVAL in this situation."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:12:07.757Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26591", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:12:07.757Z", "dateReserved": "2024-02-19T14:20:24.126Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-22T16:21:43.756Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1A09298-F667-42CA-A661-8C8904F88C4F", "versionEndExcluding": "5.15.148", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C4951FA-80C0-4B4C-9836-6E5035DEB0F9", "versionEndExcluding": "6.1.75", "versionStartIncluding": "5.16.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDBBEB0E-D13A-4567-8984-51C5375350B9", "versionEndExcluding": "6.6.14", "versionStartIncluding": "6.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EA3778C-730B-464C-8023-18CA6AC0B807", "versionEndExcluding": "6.7.2", "versionStartIncluding": "6.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix re-attachment branch in bpf_tracing_prog_attach\n\nThe following case can cause a crash due to missing attach_btf:\n\n1) load rawtp program\n2) load fentry program with rawtp as target_fd\n3) create tracing link for fentry program with target_fd = 0\n4) repeat 3\n\nIn the end we have:\n\n- prog->aux->dst_trampoline == NULL\n- tgt_prog == NULL (because we did not provide target_fd to link_create)\n- prog->aux->attach_btf == NULL (the program was loaded with attach_prog_fd=X)\n- the program was loaded for tgt_prog but we have no way to find out which one\n\n BUG: kernel NULL pointer dereference, address: 0000000000000058\n Call Trace:\n <TASK>\n ? __die+0x20/0x70\n ? page_fault_oops+0x15b/0x430\n ? fixup_exception+0x22/0x330\n ? exc_page_fault+0x6f/0x170\n ? asm_exc_page_fault+0x22/0x30\n ? bpf_tracing_prog_attach+0x279/0x560\n ? btf_obj_id+0x5/0x10\n bpf_tracing_prog_attach+0x439/0x560\n __sys_bpf+0x1cf4/0x2de0\n __x64_sys_bpf+0x1c/0x30\n do_syscall_64+0x41/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nReturn -EINVAL in this situation."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: bpf: Se corrigi\u00f3 la rama de re-adjunci\u00f3n en bpf_tracing_prog_attach El siguiente caso puede causar un bloqueo debido a la falta de adjunto_btf: 1) cargar el programa rawtp 2) cargar el programa fentry con rawtp como target_fd 3) crear enlace de seguimiento para el programa fentry con target_fd = 0 4) repetir 3 Al final tenemos: - prog-&gt;aux-&gt;dst_trampoline == NULL - tgt_prog == NULL (porque no proporcionamos target_fd para link_create) - prog-&gt;aux -&gt;attach_btf == NULL (el programa se carg\u00f3 con adjunto_prog_fd=X) - el programa se carg\u00f3 para tgt_prog pero no tenemos forma de averiguar cu\u00e1l ERROR: desreferencia del puntero NULL del n\u00facleo, direcci\u00f3n: 0000000000000058 Seguimiento de llamadas: ? __morir+0x20/0x70 ? page_fault_oops+0x15b/0x430? fixup_exception+0x22/0x330? exc_page_fault+0x6f/0x170? asm_exc_page_fault+0x22/0x30? bpf_tracing_prog_attach+0x279/0x560? btf_obj_id+0x5/0x10 bpf_tracing_prog_attach+0x439/0x560 __sys_bpf+0x1cf4/0x2de0 __x64_sys_bpf+0x1c/0x30 do_syscall_64+0x41/0xf0 Entry_SYSCALL_64_after_hwframe+0x6e/ 0x76 Devuelve -EINVAL en esta situaci\u00f3n."}], "id": "CVE-2024-26591", "lastModified": "2024-11-21T09:02:36.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-02-22T17:15:09.157", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: bpf: Fix re-attachment branch in bpf_tracing_prog_attach", "id": "2265648", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2265648"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: Fix re-attachment branch in bpf_tracing_prog_attach\nThe following case can cause a crash due to missing attach_btf:\n1) load rawtp program\n2) load fentry program with rawtp as target_fd\n3) create tracing link for fentry program with target_fd = 0\n4) repeat 3\nIn the end we have:\n- prog->aux->dst_trampoline == NULL\n- tgt_prog == NULL (because we did not provide target_fd to link_create)\n- prog->aux->attach_btf == NULL (the program was loaded with attach_prog_fd=X)\n- the program was loaded for tgt_prog but we have no way to find out which one\nBUG: kernel NULL pointer dereference, address: 0000000000000058\nCall Trace:\n<TASK>\n? __die+0x20/0x70\n? page_fault_oops+0x15b/0x430\n? fixup_exception+0x22/0x330\n? exc_page_fault+0x6f/0x170\n? asm_exc_page_fault+0x22/0x30\n? bpf_tracing_prog_attach+0x279/0x560\n? btf_obj_id+0x5/0x10\nbpf_tracing_prog_attach+0x439/0x560\n__sys_bpf+0x1cf4/0x2de0\n__x64_sys_bpf+0x1c/0x30\ndo_syscall_64+0x41/0xf0\nentry_SYSCALL_64_after_hwframe+0x6e/0x76\nReturn -EINVAL in this situation."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available for this vulnerability. Make sure to perform the updates as they become available."}, "name": "CVE-2024-26591", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2024-02-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26591\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26591\nhttps://lore.kernel.org/linux-cve-announce/2024022258-CVE-2024-26591-8b42@gregkh/T/#u"], "threat_severity": "Low"}