CVE-2023-52805

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52805", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.247Z", "datePublished": "2024-05-21T15:31:16.374Z", "dateUpdated": "2026-08-05T09:11:31.057Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:31.057Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix array-index-out-of-bounds in diAlloc\n\nCurrently there is not check against the agno of the iag while\nallocating new inodes to avoid fragmentation problem. Added the check\nwhich is required."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached only after a local mount of an attacker-crafted JFS image, then a create path (open/creat \u2192 jfs_create \u2192 ialloc \u2192 diAlloc); fs/jfs has no network or adjacent-protocol entry point.\nAC:L - agstart is taken from on-disk IAG metadata into the parent inode, so a crafted image sets agno (including the syzbot index -1) deterministically; creating a regular file then hits db_active[agno]/AG_LOCK/im_agctl with no race or attacker-uncontrollable state.\nPR:L - As with sibling JFS crafted-image CVEs, an unprivileged local session user can attach the malicious image via udisks2/polkit/automount on desktops, kiosks, and shared workstations, then trigger diAlloc with ordinary file creation.\nUI:N - The attacker supplies the image, causes it to be mounted (including via automount/udisks on their own session), and drives file creation themselves; no separate victim action is required at exploitation time.\nS:U - Out-of-bounds indexing of in-kernel bmap/imap arrays corrupts host kernel memory only and does not cross a VM, IOMMU, or other separate security authority.\nC:H - Invalid agno causes out-of-bounds reads of db_active[] and adjacent kernel/imap state; under the memory-corruption guidance this is reasonably leveraged for high confidentiality impact.\nI:H - The same bad agno indexes im_aglock[] and im_agctl[], and later allocation paths write im_agctl[agno].numfree and related map state, yielding out-of-bounds kernel writes suitable for control-flow hijacking.\nA:H - Syzbot reported UBSAN array-index-out-of-bounds in diAlloc (panic under UBSAN_TRAP/panic_on_warn), and the OOB lock/agctl accesses also produce kernel oopses and filesystem failure."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/jfs/jfs_imap.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2308d0fb0dc32446b4e6ca37cd09c30374bb64e9", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "cf7e3e84df36a9953796c737f080712f631d7083", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "1ba7df5457dc1c1071c5f92ac11323533a6430e1", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "64f062baf202b82f54987a3f614a6c8f3e466641", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "665b44e55c2767a4f899c3b18f49e9e1c9983777", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "1708d0a9917fea579cc9da3d87b154285abd2cd8", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "05d9ea1ceb62a55af6727a69269a4fd310edf483", "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/jfs/jfs_imap.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.331", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.300", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.262", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.202", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.140", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.64", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.13", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.3", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7", "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": "2.6.12", "versionEndExcluding": "4.14.331"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "4.19.300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.4.262"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.10.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.1.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.5.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2308d0fb0dc32446b4e6ca37cd09c30374bb64e9"}, {"url": "https://git.kernel.org/stable/c/cf7e3e84df36a9953796c737f080712f631d7083"}, {"url": "https://git.kernel.org/stable/c/7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c"}, {"url": "https://git.kernel.org/stable/c/1ba7df5457dc1c1071c5f92ac11323533a6430e1"}, {"url": "https://git.kernel.org/stable/c/64f062baf202b82f54987a3f614a6c8f3e466641"}, {"url": "https://git.kernel.org/stable/c/8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d"}, {"url": "https://git.kernel.org/stable/c/665b44e55c2767a4f899c3b18f49e9e1c9983777"}, {"url": "https://git.kernel.org/stable/c/1708d0a9917fea579cc9da3d87b154285abd2cd8"}, {"url": "https://git.kernel.org/stable/c/05d9ea1ceb62a55af6727a69269a4fd310edf483"}], "title": "jfs: fix array-index-out-of-bounds in diAlloc", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-129", "lang": "en", "description": "CWE-129 Improper Validation of Array Index"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-10-01T19:18:27.367558Z", "id": "CVE-2023-52805", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:18:52.937Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.055Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/2308d0fb0dc32446b4e6ca37cd09c30374bb64e9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cf7e3e84df36a9953796c737f080712f631d7083", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1ba7df5457dc1c1071c5f92ac11323533a6430e1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/64f062baf202b82f54987a3f614a6c8f3e466641", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/665b44e55c2767a4f899c3b18f49e9e1c9983777", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1708d0a9917fea579cc9da3d87b154285abd2cd8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/05d9ea1ceb62a55af6727a69269a4fd310edf483", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/2308d0fb0dc32446b4e6ca37cd09c30374bb64e9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cf7e3e84df36a9953796c737f080712f631d7083", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1ba7df5457dc1c1071c5f92ac11323533a6430e1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/64f062baf202b82f54987a3f614a6c8f3e466641", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/665b44e55c2767a4f899c3b18f49e9e1c9983777", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1708d0a9917fea579cc9da3d87b154285abd2cd8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/05d9ea1ceb62a55af6727a69269a4fd310edf483", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.055Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-52805", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-10-01T19:18:27.367558Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-129", "description": "CWE-129 Improper Validation of Array Index"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T17:20:19.487Z"}}], "cna": {"title": "jfs: fix array-index-out-of-bounds in diAlloc", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached only after a local mount of an attacker-crafted JFS image, then a create path (open/creat \u2192 jfs_create \u2192 ialloc \u2192 diAlloc); fs/jfs has no network or adjacent-protocol entry point.\nAC:L - agstart is taken from on-disk IAG metadata into the parent inode, so a crafted image sets agno (including the syzbot index -1) deterministically; creating a regular file then hits db_active[agno]/AG_LOCK/im_agctl with no race or attacker-uncontrollable state.\nPR:L - As with sibling JFS crafted-image CVEs, an unprivileged local session user can attach the malicious image via udisks2/polkit/automount on desktops, kiosks, and shared workstations, then trigger diAlloc with ordinary file creation.\nUI:N - The attacker supplies the image, causes it to be mounted (including via automount/udisks on their own session), and drives file creation themselves; no separate victim action is required at exploitation time.\nS:U - Out-of-bounds indexing of in-kernel bmap/imap arrays corrupts host kernel memory only and does not cross a VM, IOMMU, or other separate security authority.\nC:H - Invalid agno causes out-of-bounds reads of db_active[] and adjacent kernel/imap state; under the memory-corruption guidance this is reasonably leveraged for high confidentiality impact.\nI:H - The same bad agno indexes im_aglock[] and im_agctl[], and later allocation paths write im_agctl[agno].numfree and related map state, yielding out-of-bounds kernel writes suitable for control-flow hijacking.\nA:H - Syzbot reported UBSAN array-index-out-of-bounds in diAlloc (panic under UBSAN_TRAP/panic_on_warn), and the OOB lock/agctl accesses also produce kernel oopses and filesystem failure."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2308d0fb0dc32446b4e6ca37cd09c30374bb64e9", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "cf7e3e84df36a9953796c737f080712f631d7083", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "1ba7df5457dc1c1071c5f92ac11323533a6430e1", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "64f062baf202b82f54987a3f614a6c8f3e466641", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "665b44e55c2767a4f899c3b18f49e9e1c9983777", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "1708d0a9917fea579cc9da3d87b154285abd2cd8", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "05d9ea1ceb62a55af6727a69269a4fd310edf483", "versionType": "git"}], "programFiles": ["fs/jfs/jfs_imap.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.12"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.12", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.331", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.300", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.262", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.202", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.140", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.64", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.5.13", "versionType": "semver", "lessThanOrEqual": "6.5.*"}, {"status": "unaffected", "version": "6.6.3", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/jfs/jfs_imap.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/2308d0fb0dc32446b4e6ca37cd09c30374bb64e9"}, {"url": "https://git.kernel.org/stable/c/cf7e3e84df36a9953796c737f080712f631d7083"}, {"url": "https://git.kernel.org/stable/c/7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c"}, {"url": "https://git.kernel.org/stable/c/1ba7df5457dc1c1071c5f92ac11323533a6430e1"}, {"url": "https://git.kernel.org/stable/c/64f062baf202b82f54987a3f614a6c8f3e466641"}, {"url": "https://git.kernel.org/stable/c/8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d"}, {"url": "https://git.kernel.org/stable/c/665b44e55c2767a4f899c3b18f49e9e1c9983777"}, {"url": "https://git.kernel.org/stable/c/1708d0a9917fea579cc9da3d87b154285abd2cd8"}, {"url": "https://git.kernel.org/stable/c/05d9ea1ceb62a55af6727a69269a4fd310edf483"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix array-index-out-of-bounds in diAlloc\n\nCurrently there is not check against the agno of the iag while\nallocating new inodes to avoid fragmentation problem. Added the check\nwhich is required."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.331", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.300", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.262", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.202", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.140", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.64", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.5.13", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.3", "versionStartIncluding": "2.6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7", "versionStartIncluding": "2.6.12"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:31.057Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52805", "state": "PUBLISHED", "dateUpdated": "2026-08-05T09:11:31.057Z", "dateReserved": "2024-05-21T15:19:24.247Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-21T15:31:16.374Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/jfs/jfs_imap.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2308d0fb0dc32446b4e6ca37cd09c30374bb64e9", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "cf7e3e84df36a9953796c737f080712f631d7083", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "1ba7df5457dc1c1071c5f92ac11323533a6430e1", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "64f062baf202b82f54987a3f614a6c8f3e466641", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "665b44e55c2767a4f899c3b18f49e9e1c9983777", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "1708d0a9917fea579cc9da3d87b154285abd2cd8", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "05d9ea1ceb62a55af6727a69269a4fd310edf483", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/jfs/jfs_imap.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.12"}, {"lessThan": "2.6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.331", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.300", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.262", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.202", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.140", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.64", "versionType": "semver"}, {"lessThanOrEqual": "6.5.*", "status": "unaffected", "version": "6.5.13", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.7", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6F120ED7-3012-4856-9F08-B433BC310335", "versionEndExcluding": "4.14.331", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C99DDB75-1CAC-40D0-A14D-67A2A55D6005", "versionEndExcluding": "4.19.300", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "28B0AAED-45BA-4928-9A85-66A429B9F038", "versionEndExcluding": "5.4.262", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "39D508B4-58C7-40C2-BE05-44E41110EB98", "versionEndExcluding": "5.10.202", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15D6C23C-78A3-40D2-B76B-4F1D9C2D95C0", "versionEndExcluding": "5.15.140", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D7C884A-CAA2-4EA2-9FEB-5CE776D7B05F", "versionEndExcluding": "6.1.64", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "674C4F82-C336-4B49-BF64-1DE422E889C4", "versionEndExcluding": "6.5.13", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B58252FA-A49C-411F-9B28-DC5FE44BC5A0", "versionEndExcluding": "6.6.3", "versionStartIncluding": "6.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix array-index-out-of-bounds in diAlloc\n\nCurrently there is not check against the agno of the iag while\nallocating new inodes to avoid fragmentation problem. Added the check\nwhich is required."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jfs: corrige el \u00edndice de matriz fuera de los l\u00edmites en diAlloc. Actualmente no se verifica el agno del iag al asignar nuevos inodos para evitar problemas de fragmentaci\u00f3n. Se agreg\u00f3 la comprobaci\u00f3n que se requiere."}], "id": "CVE-2023-52805", "lastModified": "2026-06-17T06:43:37.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52805", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:18:27.367558Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:18.890", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/05d9ea1ceb62a55af6727a69269a4fd310edf483"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1708d0a9917fea579cc9da3d87b154285abd2cd8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ba7df5457dc1c1071c5f92ac11323533a6430e1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2308d0fb0dc32446b4e6ca37cd09c30374bb64e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/64f062baf202b82f54987a3f614a6c8f3e466641"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/665b44e55c2767a4f899c3b18f49e9e1c9983777"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf7e3e84df36a9953796c737f080712f631d7083"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/05d9ea1ceb62a55af6727a69269a4fd310edf483"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1708d0a9917fea579cc9da3d87b154285abd2cd8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ba7df5457dc1c1071c5f92ac11323533a6430e1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2308d0fb0dc32446b4e6ca37cd09c30374bb64e9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/64f062baf202b82f54987a3f614a6c8f3e466641"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/665b44e55c2767a4f899c3b18f49e9e1c9983777"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf7e3e84df36a9953796c737f080712f631d7083"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-129"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: jfs: fix array-index-out-of-bounds in diAlloc", "id": "2282647", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282647"}, "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-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\njfs: fix array-index-out-of-bounds in diAlloc\nCurrently there is not check against the agno of the iag while\nallocating new inodes to avoid fragmentation problem. Added the check\nwhich is required."], "name": "CVE-2023-52805", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52805\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52805\nhttps://lore.kernel.org/linux-cve-announce/2024052100-CVE-2023-52805-1338@gregkh/T"], "threat_severity": "Moderate"}

{}