CVE-2026-72160

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72160", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.909Z", "datePublished": "2026-08-15T05:53:28.943Z", "dateUpdated": "2026-10-16T18:44:59.633Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:41:03.822Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: reject dinodes with non-canonical i_mode type\n\nPatch series \"ocfs2: harden inode validators against forged metadata\", v2.\n\nThis series adds three structural checks to OCFS2 dinode validation so\nmalformed on-disk fields are rejected before ocfs2_populate_inode() copies\nthem into the in-core inode.\n\nThe checks cover:\n\n - i_mode values whose type bits do not name a canonical POSIX file\n type;\n - non-device dinodes whose id1.dev1.i_rdev field is non-zero; and\n - non-inline dinodes that claim non-zero i_size while i_clusters is\n zero, covering directories unconditionally and regular files on\n non-sparse volumes.\n\nThe normal read path reports these through ocfs2_error(), matching the\nexisting suballoc-slot, inline-data, chain-list, and refcount checks. The\nonline filecheck path uses the same structural predicates but keeps its\nown reporting contract, returning OCFS2_FILECHECK_ERR_INVALIDINO instead\nof calling ocfs2_error().\n\n\nThis patch (of 3):\n\nocfs2_validate_inode_block() currently accepts any non-zero i_mode value. \nocfs2_populate_inode() then copies that mode verbatim into inode->i_mode\nand dispatches on i_mode & S_IFMT to the file/dir/symlink/special_file\niops; an unrecognised type falls through to ocfs2_special_file_iops and\ninit_special_inode().\n\nReject dinodes whose type bits do not name one of the seven canonical\nPOSIX file types. Use fs_umode_to_ftype(), the same generic file-type\nconversion helper OCFS2 already uses for directory entries, so the\naccepted inode type set matches the kernel file-type vocabulary instead of\nopen-coding a local switch.\n\nApply the same structural check to the online filecheck read path. \nfilecheck keeps its own error namespace, so it reports malformed i_mode\nthrough the filecheck logger and OCFS2_FILECHECK_ERR_INVALIDINO instead of\ncalling ocfs2_error(), but it must not allow a malformed dinode to proceed\ninto ocfs2_populate_inode()."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - OCFS2 registers export_operations, so when kernel nfsd serves an OCFS2-backed NFS export on shared cluster storage, remote NFS LOOKUP/GETFH requests drive ocfs2_iget()->ocfs2_read_inode_block()->ocfs2_validate_inode_block() over the network without local syscalls on the server.\nAC:L - An attacker can deterministically set a non-canonical i_mode (e.g., permission bits without S_IFMT) in a crafted OCFS2 dinode and trigger ocfs2_populate_inode() through a normal pathname lookup or NFS file handle resolution; no races or uncontrollable heap layout are required.\nPR:L - Triggering the read path requires only authenticated NFS client access to an exported path containing the forged dinode, or mounting a crafted OCFS2 loop image where CAP_SYS_ADMIN is obtainable by an unprivileged user via user namespaces, matching comparable OCFS2 metadata CVEs.\nUI:N - No victim interaction is needed once forged dinode metadata exists on the volume: a remote NFS client or the attacker mounting a crafted local image can perform the triggering lookup themselves without any third party opening files or mounting the filesystem.\nS:U - Type confusion corrupts in-core inode dispatch state (i_mode/i_rdev/i_op/i_fop mismatch) on the host processing forged OCFS2 metadata; this does not cross VM, container, or IOMMU boundaries into another security authority.\nC:H - Non-canonical i_mode passes validation and populates the inode with attacker-controlled i_rdev before falling through to init_special_inode(), creating type-confused in-core metadata that can expose kernel memory through subsequent VFS getattr and page-cache operations.\nI:H - Accepting forged i_mode installs ocfs2_special_file_iops and attacker-controlled i_rdev on an inode whose type bits are not a valid POSIX special file, leaving inconsistent i_op/i_fop/a_ops state constituting exploitable type confusion writable through further VFS operations.\nA:H - The confused inode state can provoke kernel oops or panics when subsequent VFS operations (e.g., open with missing i_fop, or page-cache I/O via mismatched ocfs2_aops) are attempted on the malformed inode, denying availability until reboot."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/inode.c"], "versions": [{"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "2e3aac33988ef4e4170141db8e995693ea38357c", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "157d31ef45038d89cd19620105e082d43c8e41e0", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "a5b555bcabbb0aff8745ad181768eaf9d964c1ee", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "82afe13558354390d8a592a5334d5f4fd72c0e5c", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "4db3b6a2a8ecf2a89d26a4090ace4072c6fad050", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "b858f2d57cfc9d57ce61b86051d603dc0ebccd40", "status": "affected", "versionType": "git"}, {"version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "5366a017099c6a3c443be908a05f26fd72af12a1", "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/inode.c"], "versions": [{"version": "2.6.29", "status": "affected"}, {"version": "0", "lessThan": "2.6.29", "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": "2.6.29", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2e3aac33988ef4e4170141db8e995693ea38357c"}, {"url": "https://git.kernel.org/stable/c/fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f"}, {"url": "https://git.kernel.org/stable/c/157d31ef45038d89cd19620105e082d43c8e41e0"}, {"url": "https://git.kernel.org/stable/c/a5b555bcabbb0aff8745ad181768eaf9d964c1ee"}, {"url": "https://git.kernel.org/stable/c/82afe13558354390d8a592a5334d5f4fd72c0e5c"}, {"url": "https://git.kernel.org/stable/c/4db3b6a2a8ecf2a89d26a4090ace4072c6fad050"}, {"url": "https://git.kernel.org/stable/c/b858f2d57cfc9d57ce61b86051d603dc0ebccd40"}, {"url": "https://git.kernel.org/stable/c/5366a017099c6a3c443be908a05f26fd72af12a1"}], "title": "ocfs2: reject dinodes with non-canonical i_mode type", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72160", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T18:43:05.217168Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T18:44:59.633Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72160", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T18:43:05.217168Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T18:43:06.654Z"}}], "cna": {"title": "ocfs2: reject dinodes with non-canonical i_mode type", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:N - OCFS2 registers export_operations, so when kernel nfsd serves an OCFS2-backed NFS export on shared cluster storage, remote NFS LOOKUP/GETFH requests drive ocfs2_iget()->ocfs2_read_inode_block()->ocfs2_validate_inode_block() over the network without local syscalls on the server.\nAC:L - An attacker can deterministically set a non-canonical i_mode (e.g., permission bits without S_IFMT) in a crafted OCFS2 dinode and trigger ocfs2_populate_inode() through a normal pathname lookup or NFS file handle resolution; no races or uncontrollable heap layout are required.\nPR:L - Triggering the read path requires only authenticated NFS client access to an exported path containing the forged dinode, or mounting a crafted OCFS2 loop image where CAP_SYS_ADMIN is obtainable by an unprivileged user via user namespaces, matching comparable OCFS2 metadata CVEs.\nUI:N - No victim interaction is needed once forged dinode metadata exists on the volume: a remote NFS client or the attacker mounting a crafted local image can perform the triggering lookup themselves without any third party opening files or mounting the filesystem.\nS:U - Type confusion corrupts in-core inode dispatch state (i_mode/i_rdev/i_op/i_fop mismatch) on the host processing forged OCFS2 metadata; this does not cross VM, container, or IOMMU boundaries into another security authority.\nC:H - Non-canonical i_mode passes validation and populates the inode with attacker-controlled i_rdev before falling through to init_special_inode(), creating type-confused in-core metadata that can expose kernel memory through subsequent VFS getattr and page-cache operations.\nI:H - Accepting forged i_mode installs ocfs2_special_file_iops and attacker-controlled i_rdev on an inode whose type bits are not a valid POSIX special file, leaving inconsistent i_op/i_fop/a_ops state constituting exploitable type confusion writable through further VFS operations.\nA:H - The confused inode state can provoke kernel oops or panics when subsequent VFS operations (e.g., open with missing i_fop, or page-cache I/O via mismatched ocfs2_aops) are attempted on the malformed inode, denying availability until reboot."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "2e3aac33988ef4e4170141db8e995693ea38357c", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "157d31ef45038d89cd19620105e082d43c8e41e0", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "a5b555bcabbb0aff8745ad181768eaf9d964c1ee", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "82afe13558354390d8a592a5334d5f4fd72c0e5c", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "4db3b6a2a8ecf2a89d26a4090ace4072c6fad050", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "b858f2d57cfc9d57ce61b86051d603dc0ebccd40", "versionType": "git"}, {"status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "lessThan": "5366a017099c6a3c443be908a05f26fd72af12a1", "versionType": "git"}], "programFiles": ["fs/ocfs2/inode.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.29"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.29", "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/inode.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/2e3aac33988ef4e4170141db8e995693ea38357c"}, {"url": "https://git.kernel.org/stable/c/fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f"}, {"url": "https://git.kernel.org/stable/c/157d31ef45038d89cd19620105e082d43c8e41e0"}, {"url": "https://git.kernel.org/stable/c/a5b555bcabbb0aff8745ad181768eaf9d964c1ee"}, {"url": "https://git.kernel.org/stable/c/82afe13558354390d8a592a5334d5f4fd72c0e5c"}, {"url": "https://git.kernel.org/stable/c/4db3b6a2a8ecf2a89d26a4090ace4072c6fad050"}, {"url": "https://git.kernel.org/stable/c/b858f2d57cfc9d57ce61b86051d603dc0ebccd40"}, {"url": "https://git.kernel.org/stable/c/5366a017099c6a3c443be908a05f26fd72af12a1"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: reject dinodes with non-canonical i_mode type\n\nPatch series \"ocfs2: harden inode validators against forged metadata\", v2.\n\nThis series adds three structural checks to OCFS2 dinode validation so\nmalformed on-disk fields are rejected before ocfs2_populate_inode() copies\nthem into the in-core inode.\n\nThe checks cover:\n\n - i_mode values whose type bits do not name a canonical POSIX file\n type;\n - non-device dinodes whose id1.dev1.i_rdev field is non-zero; and\n - non-inline dinodes that claim non-zero i_size while i_clusters is\n zero, covering directories unconditionally and regular files on\n non-sparse volumes.\n\nThe normal read path reports these through ocfs2_error(), matching the\nexisting suballoc-slot, inline-data, chain-list, and refcount checks. The\nonline filecheck path uses the same structural predicates but keeps its\nown reporting contract, returning OCFS2_FILECHECK_ERR_INVALIDINO instead\nof calling ocfs2_error().\n\n\nThis patch (of 3):\n\nocfs2_validate_inode_block() currently accepts any non-zero i_mode value. \nocfs2_populate_inode() then copies that mode verbatim into inode->i_mode\nand dispatches on i_mode & S_IFMT to the file/dir/symlink/special_file\niops; an unrecognised type falls through to ocfs2_special_file_iops and\ninit_special_inode().\n\nReject dinodes whose type bits do not name one of the seven canonical\nPOSIX file types. Use fs_umode_to_ftype(), the same generic file-type\nconversion helper OCFS2 already uses for directory entries, so the\naccepted inode type set matches the kernel file-type vocabulary instead of\nopen-coding a local switch.\n\nApply the same structural check to the online filecheck read path. \nfilecheck keeps its own error namespace, so it reports malformed i_mode\nthrough the filecheck logger and OCFS2_FILECHECK_ERR_INVALIDINO instead of\ncalling ocfs2_error(), but it must not allow a malformed dinode to proceed\ninto ocfs2_populate_inode()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.97", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "2.6.29"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:41:03.822Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72160", "state": "PUBLISHED", "dateUpdated": "2026-10-16T18:44:59.633Z", "dateReserved": "2026-08-09T03:40:39.909Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T05:53:28.943Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ocfs2/inode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2e3aac33988ef4e4170141db8e995693ea38357c", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "157d31ef45038d89cd19620105e082d43c8e41e0", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "a5b555bcabbb0aff8745ad181768eaf9d964c1ee", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "82afe13558354390d8a592a5334d5f4fd72c0e5c", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "4db3b6a2a8ecf2a89d26a4090ace4072c6fad050", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "b858f2d57cfc9d57ce61b86051d603dc0ebccd40", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}, {"lessThan": "5366a017099c6a3c443be908a05f26fd72af12a1", "status": "affected", "version": "b657c95c11088d77fc1bfc9c84d940f778bf9d12", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ocfs2/inode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.29"}, {"lessThan": "2.6.29", "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: reject dinodes with non-canonical i_mode type\n\nPatch series \"ocfs2: harden inode validators against forged metadata\", v2.\n\nThis series adds three structural checks to OCFS2 dinode validation so\nmalformed on-disk fields are rejected before ocfs2_populate_inode() copies\nthem into the in-core inode.\n\nThe checks cover:\n\n - i_mode values whose type bits do not name a canonical POSIX file\n type;\n - non-device dinodes whose id1.dev1.i_rdev field is non-zero; and\n - non-inline dinodes that claim non-zero i_size while i_clusters is\n zero, covering directories unconditionally and regular files on\n non-sparse volumes.\n\nThe normal read path reports these through ocfs2_error(), matching the\nexisting suballoc-slot, inline-data, chain-list, and refcount checks. The\nonline filecheck path uses the same structural predicates but keeps its\nown reporting contract, returning OCFS2_FILECHECK_ERR_INVALIDINO instead\nof calling ocfs2_error().\n\n\nThis patch (of 3):\n\nocfs2_validate_inode_block() currently accepts any non-zero i_mode value. \nocfs2_populate_inode() then copies that mode verbatim into inode->i_mode\nand dispatches on i_mode & S_IFMT to the file/dir/symlink/special_file\niops; an unrecognised type falls through to ocfs2_special_file_iops and\ninit_special_inode().\n\nReject dinodes whose type bits do not name one of the seven canonical\nPOSIX file types. Use fs_umode_to_ftype(), the same generic file-type\nconversion helper OCFS2 already uses for directory entries, so the\naccepted inode type set matches the kernel file-type vocabulary instead of\nopen-coding a local switch.\n\nApply the same structural check to the online filecheck read path. \nfilecheck keeps its own error namespace, so it reports malformed i_mode\nthrough the filecheck logger and OCFS2_FILECHECK_ERR_INVALIDINO instead of\ncalling ocfs2_error(), but it must not allow a malformed dinode to proceed\ninto ocfs2_populate_inode()."}], "id": "CVE-2026-72160", "lastModified": "2026-10-16T19:17:12.233", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72160", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T18:43:05.217168Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:21:33.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/157d31ef45038d89cd19620105e082d43c8e41e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e3aac33988ef4e4170141db8e995693ea38357c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4db3b6a2a8ecf2a89d26a4090ace4072c6fad050"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5366a017099c6a3c443be908a05f26fd72af12a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/82afe13558354390d8a592a5334d5f4fd72c0e5c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a5b555bcabbb0aff8745ad181768eaf9d964c1ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b858f2d57cfc9d57ce61b86051d603dc0ebccd40"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ocfs2: reject dinodes with non-canonical i_mode type", "id": "2516280", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516280"}, "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-1286", "details": ["A flaw was found in ocfs2 (Oracle Cluster File System version 2) in the Linux kernel. This vulnerability arises from insufficient validation of on-disk inode metadata, specifically the `i_mode` type bits. A local attacker could exploit this by crafting a malformed disk inode with a non-canonical POSIX file type. This could bypass existing validation checks, potentially leading to unexpected system behavior or instability when the kernel processes the malformed inode."], "name": "CVE-2026-72160", "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-2026-72160\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72160\nhttps://lore.kernel.org/linux-cve-announce/2026081536-CVE-2026-72160-725e@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,2e3aac33988ef4e4170141db8e995693ea38357c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,fb024ea29f6cb1f01745e5f2e31646f3acb9aa6f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,157d31ef45038d89cd19620105e082d43c8e41e0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,a5b555bcabbb0aff8745ad181768eaf9d964c1ee)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,82afe13558354390d8a592a5334d5f4fd72c0e5c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,4db3b6a2a8ecf2a89d26a4090ace4072c6fad050)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,b858f2d57cfc9d57ce61b86051d603dc0ebccd40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b657c95c11088d77fc1bfc9c84d940f778bf9d12,5366a017099c6a3c443be908a05f26fd72af12a1)"}}], "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": "semver", "value": "2.6.29"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,2.6.29)"}}, {"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": "semver", "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": "2026-08-15T14:45:03.767098+00:00", "updated": "2026-08-18T20:30:17.190719+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}