CVE-2026-72164

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72164", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.909Z", "datePublished": "2026-08-15T05:53:31.901Z", "dateUpdated": "2026-10-16T18:44:59.778Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:41:06.039Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: avoid moving extents to occupied clusters\n\nFor non-auto OCFS2_IOC_MOVE_EXT operations, userspace supplies a physical\nme_goal. ocfs2_move_extent() initializes new_phys_cpos from that goal and\nexpects ocfs2_probe_alloc_group() to replace it with a free run in the\ntarget block group.\n\nThe probe currently leaves *phys_cpos unchanged if the scan reaches the\nend of the group without finding a free run. An occupied goal at the last\nbit can therefore survive the probe and be passed to\n__ocfs2_move_extent(), which copies file data into a cluster still owned\nby another inode before the bitmap is updated.\n\nWhen the probe does find a free run, it also subtracts move_len from the\nending bit. The start of an N-bit run ending at i is i - N + 1, so the\ncurrent calculation can report the bit immediately before the free run.\n\nClear *phys_cpos before scanning and use the correct free-run start. \nCallers already treat a zero result as -ENOSPC, so failed probes no longer\ncontinue with an occupied caller-controlled goal."}], "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 - Exploitation requires the OCFS2_IOC_MOVE_EXT ioctl on a locally mounted ocfs2 volume via sys_ioctl\u2192vfs_ioctl\u2192ocfs2_ioctl; OCFS2 has no network-facing handler exposing this code path.\nAC:L - The attacker fully controls me_goal and move length on the non-auto path; an occupied goal at the end of an alloc group deterministically bypasses ocfs2_probe_alloc_group() and reaches __ocfs2_move_extent() with no races or external preconditions.\nPR:L - OCFS2_IOC_MOVE_EXT performs no capable() check (unlike FITRIM); any local user with FMODE_WRITE on a regular file on an ocfs2 mount can invoke ioctl(), including root inside a user namespace per kernel CNA guidance.\nUI:N - The attacker issues OCFS2_IOC_MOVE_EXT on their own writable fd with crafted parameters; no victim interaction or third-party action is required beyond the enterprise ocfs2 mount already being present.\nS:U - Impact is confined to on-disk data corruption and filesystem availability within the same cluster node/kernel authority; it does not cross VM, container, or IOMMU security boundaries.\nC:H - __ocfs2_move_extent() copies into clusters still allocated to other inodes, creating cross-file block aliasing on shared cluster storage so later reads through the new extent can return another tenant's or root-owned file contents.\nI:H - ocfs2_duplicate_clusters_by_page() writes attacker-controlled file data into physical clusters owned by other inodes before the bitmap is updated, enabling arbitrary corruption of files the attacker lacks write permission to on shared OCFS2 storage.\nA:H - Dual allocation and bitmap/extent inconsistency can trigger ocfs2_error(), forcing remount-ro or panic on the node and corrupting shared storage in ways that impair availability for all cluster members until fsck.ocfs2."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/move_extents.c"], "versions": [{"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "3112afebf2a76e522fbaabcbb0c47aafbdc35932", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "35486b291b8fbde6c4d0b1c79e565c6260d3329d", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "19f7b04924b20b81dabbeed19d5542792ba5b6d6", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "e281d892ce5870a50fdc718cb3bfc3dd5b62c728", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "d5d5a21fb33cd9b963aea99da81e4dacd452cd95", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "4d1953d3aeb4a7f6623083e1839068ee1c157db2", "status": "affected", "versionType": "git"}, {"version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "22920541c35a9f23f219038ba5874c843a7c4419", "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/ocfs2/move_extents.c"], "versions": [{"version": "3.0", "status": "affected"}, {"version": "0", "lessThan": "3.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "3.0", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3112afebf2a76e522fbaabcbb0c47aafbdc35932"}, {"url": "https://git.kernel.org/stable/c/35486b291b8fbde6c4d0b1c79e565c6260d3329d"}, {"url": "https://git.kernel.org/stable/c/19f7b04924b20b81dabbeed19d5542792ba5b6d6"}, {"url": "https://git.kernel.org/stable/c/e281d892ce5870a50fdc718cb3bfc3dd5b62c728"}, {"url": "https://git.kernel.org/stable/c/0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e"}, {"url": "https://git.kernel.org/stable/c/d5d5a21fb33cd9b963aea99da81e4dacd452cd95"}, {"url": "https://git.kernel.org/stable/c/4d1953d3aeb4a7f6623083e1839068ee1c157db2"}, {"url": "https://git.kernel.org/stable/c/22920541c35a9f23f219038ba5874c843a7c4419"}], "title": "ocfs2: avoid moving extents to occupied clusters", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72164", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T18:43:10.262778Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T18:44:59.778Z"}}]}}

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OCFS2_IOC_MOVE_EXT performs no capable() check (unlike FITRIM); any local user with FMODE_WRITE on a regular file on an ocfs2 mount can invoke ioctl(), including root inside a user namespace per kernel CNA guidance.\nUI:N - The attacker issues OCFS2_IOC_MOVE_EXT on their own writable fd with crafted parameters; no victim interaction or third-party action is required beyond the enterprise ocfs2 mount already being present.\nS:U - Impact is confined to on-disk data corruption and filesystem availability within the same cluster node/kernel authority; it does not cross VM, container, or IOMMU security boundaries.\nC:H - __ocfs2_move_extent() copies into clusters still allocated to other inodes, creating cross-file block aliasing on shared cluster storage so later reads through the new extent can return another tenant's or root-owned file contents.\nI:H - ocfs2_duplicate_clusters_by_page() writes attacker-controlled file data into physical clusters owned by other inodes before the bitmap is updated, enabling arbitrary corruption of files the attacker lacks write permission to on shared OCFS2 storage.\nA:H - Dual allocation and bitmap/extent inconsistency can trigger ocfs2_error(), forcing remount-ro or panic on the node and corrupting shared storage in ways that impair availability for all cluster members until fsck.ocfs2."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "3112afebf2a76e522fbaabcbb0c47aafbdc35932", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "35486b291b8fbde6c4d0b1c79e565c6260d3329d", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "19f7b04924b20b81dabbeed19d5542792ba5b6d6", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "e281d892ce5870a50fdc718cb3bfc3dd5b62c728", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "d5d5a21fb33cd9b963aea99da81e4dacd452cd95", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "4d1953d3aeb4a7f6623083e1839068ee1c157db2", "versionType": "git"}, {"status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "lessThan": "22920541c35a9f23f219038ba5874c843a7c4419", "versionType": "git"}], "programFiles": ["fs/ocfs2/move_extents.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.0"}, {"status": "unaffected", "version": "0", "lessThan": "3.0", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/ocfs2/move_extents.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/3112afebf2a76e522fbaabcbb0c47aafbdc35932"}, {"url": "https://git.kernel.org/stable/c/35486b291b8fbde6c4d0b1c79e565c6260d3329d"}, {"url": "https://git.kernel.org/stable/c/19f7b04924b20b81dabbeed19d5542792ba5b6d6"}, {"url": "https://git.kernel.org/stable/c/e281d892ce5870a50fdc718cb3bfc3dd5b62c728"}, {"url": "https://git.kernel.org/stable/c/0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e"}, {"url": "https://git.kernel.org/stable/c/d5d5a21fb33cd9b963aea99da81e4dacd452cd95"}, {"url": "https://git.kernel.org/stable/c/4d1953d3aeb4a7f6623083e1839068ee1c157db2"}, {"url": "https://git.kernel.org/stable/c/22920541c35a9f23f219038ba5874c843a7c4419"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: avoid moving extents to occupied clusters\n\nFor non-auto OCFS2_IOC_MOVE_EXT operations, userspace supplies a physical\nme_goal. ocfs2_move_extent() initializes new_phys_cpos from that goal and\nexpects ocfs2_probe_alloc_group() to replace it with a free run in the\ntarget block group.\n\nThe probe currently leaves *phys_cpos unchanged if the scan reaches the\nend of the group without finding a free run. An occupied goal at the last\nbit can therefore survive the probe and be passed to\n__ocfs2_move_extent(), which copies file data into a cluster still owned\nby another inode before the bitmap is updated.\n\nWhen the probe does find a free run, it also subtracts move_len from the\nending bit. The start of an N-bit run ending at i is i - N + 1, so the\ncurrent calculation can report the bit immediately before the free run.\n\nClear *phys_cpos before scanning and use the correct free-run start. \nCallers already treat a zero result as -ENOSPC, so failed probes no longer\ncontinue with an occupied caller-controlled goal."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.97", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "3.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "3.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:41:06.039Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72164", "state": "PUBLISHED", "dateUpdated": "2026-10-16T18:44:59.778Z", "dateReserved": "2026-08-09T03:40:39.909Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T05:53:31.901Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ocfs2/move_extents.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3112afebf2a76e522fbaabcbb0c47aafbdc35932", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "35486b291b8fbde6c4d0b1c79e565c6260d3329d", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "19f7b04924b20b81dabbeed19d5542792ba5b6d6", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "e281d892ce5870a50fdc718cb3bfc3dd5b62c728", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "d5d5a21fb33cd9b963aea99da81e4dacd452cd95", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "4d1953d3aeb4a7f6623083e1839068ee1c157db2", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}, {"lessThan": "22920541c35a9f23f219038ba5874c843a7c4419", "status": "affected", "version": "e6b5859cccfa0fec02f3c5b1069481efc7186f47", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ocfs2/move_extents.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.0"}, {"lessThan": "3.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: avoid moving extents to occupied clusters\n\nFor non-auto OCFS2_IOC_MOVE_EXT operations, userspace supplies a physical\nme_goal. ocfs2_move_extent() initializes new_phys_cpos from that goal and\nexpects ocfs2_probe_alloc_group() to replace it with a free run in the\ntarget block group.\n\nThe probe currently leaves *phys_cpos unchanged if the scan reaches the\nend of the group without finding a free run. An occupied goal at the last\nbit can therefore survive the probe and be passed to\n__ocfs2_move_extent(), which copies file data into a cluster still owned\nby another inode before the bitmap is updated.\n\nWhen the probe does find a free run, it also subtracts move_len from the\nending bit. The start of an N-bit run ending at i is i - N + 1, so the\ncurrent calculation can report the bit immediately before the free run.\n\nClear *phys_cpos before scanning and use the correct free-run start. \nCallers already treat a zero result as -ENOSPC, so failed probes no longer\ncontinue with an occupied caller-controlled goal."}], "id": "CVE-2026-72164", "lastModified": "2026-10-16T19:17:12.417", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72164", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T18:43:10.262778Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:21:34.357", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19f7b04924b20b81dabbeed19d5542792ba5b6d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/22920541c35a9f23f219038ba5874c843a7c4419"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3112afebf2a76e522fbaabcbb0c47aafbdc35932"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/35486b291b8fbde6c4d0b1c79e565c6260d3329d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d1953d3aeb4a7f6623083e1839068ee1c157db2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5d5a21fb33cd9b963aea99da81e4dacd452cd95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e281d892ce5870a50fdc718cb3bfc3dd5b62c728"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ocfs2: avoid moving extents to occupied clusters", "id": "2516631", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516631"}, "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-367", "details": ["A flaw was found in the `ocfs2` component of the Linux kernel. A local user can exploit a vulnerability in the `ocfs2_move_extent` function when performing `OCFS2_IOC_MOVE_EXT` operations. This issue allows file data to be copied into a disk cluster that is already occupied by another file, leading to data corruption."], "name": "CVE-2026-72164", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "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": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72164\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72164\nhttps://lore.kernel.org/linux-cve-announce/2026081536-CVE-2026-72164-c600@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,3112afebf2a76e522fbaabcbb0c47aafbdc35932)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,35486b291b8fbde6c4d0b1c79e565c6260d3329d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,19f7b04924b20b81dabbeed19d5542792ba5b6d6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,e281d892ce5870a50fdc718cb3bfc3dd5b62c728)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,0d0c5c17b18bdbc592ac26ab4d1de7e3dbf9be1e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,d5d5a21fb33cd9b963aea99da81e4dacd452cd95)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,4d1953d3aeb4a7f6623083e1839068ee1c157db2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6b5859cccfa0fec02f3c5b1069481efc7186f47,22920541c35a9f23f219038ba5874c843a7c4419)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T15:00:03.921112+00:00", "updated": "2026-08-22T11:45:03.559362+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}