CVE-2026-68168

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68168", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.372Z", "datePublished": "2026-08-10T11:59:36.633Z", "dateUpdated": "2026-08-17T05:00:08.675Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:00:08.675Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix afs_edit_dir_remove() to get, not find, block 0\n\nFix afs_edit_dir_remove() to use afs_dir_get_block() to get block 0 rather\nthan afs_dir_find_block() as the latter caches the found block in the\nafs_dir_iter and may[*] switch out the page it's on if another\nafs_dir_find_block() is done. This parallels what afs_edit_dir_add() does.\n\n[*] There's more than one block per page."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/afs/dir_edit.c"], "versions": [{"version": "a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e", "lessThan": "f2b293359924117736218701ebd8b40618d73e6f", "status": "affected", "versionType": "git"}, {"version": "a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e", "lessThan": "bfdfc7782ada6f3a4df7182889b66039f8e4131c", "status": "affected", "versionType": "git"}, {"version": "a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e", "lessThan": "62d9853aa4ce6e9797b6949804891be14b219752", "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/afs/dir_edit.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "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": "6.14", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f2b293359924117736218701ebd8b40618d73e6f"}, {"url": "https://git.kernel.org/stable/c/bfdfc7782ada6f3a4df7182889b66039f8e4131c"}, {"url": "https://git.kernel.org/stable/c/62d9853aa4ce6e9797b6949804891be14b219752"}], "title": "afs: Fix afs_edit_dir_remove() to get, not find, block 0", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/afs/dir_edit.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f2b293359924117736218701ebd8b40618d73e6f", "status": "affected", "version": "a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e", "versionType": "git"}, {"lessThan": "bfdfc7782ada6f3a4df7182889b66039f8e4131c", "status": "affected", "version": "a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e", "versionType": "git"}, {"lessThan": "62d9853aa4ce6e9797b6949804891be14b219752", "status": "affected", "version": "a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/afs/dir_edit.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "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\nafs: Fix afs_edit_dir_remove() to get, not find, block 0\n\nFix afs_edit_dir_remove() to use afs_dir_get_block() to get block 0 rather\nthan afs_dir_find_block() as the latter caches the found block in the\nafs_dir_iter and may[*] switch out the page it's on if another\nafs_dir_find_block() is done. This parallels what afs_edit_dir_add() does.\n\n[*] There's more than one block per page."}], "id": "CVE-2026-68168", "lastModified": "2026-08-17T05:18:17.350", "metrics": {}, "published": "2026-08-10T13:20:03.367", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/62d9853aa4ce6e9797b6949804891be14b219752"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bfdfc7782ada6f3a4df7182889b66039f8e4131c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f2b293359924117736218701ebd8b40618d73e6f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: afs: Fix afs_edit_dir_remove() to get, not find, block 0", "id": "2513461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513461"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nafs: Fix afs_edit_dir_remove() to get, not find, block 0\nFix afs_edit_dir_remove() to use afs_dir_get_block() to get block 0 rather\nthan afs_dir_find_block() as the latter caches the found block in the\nafs_dir_iter and may[*] switch out the page it's on if another\nafs_dir_find_block() is done. This parallels what afs_edit_dir_add() does.\n[*] There's more than one block per page.", "A flaw was found in the Linux kernel's Andrew File System (AFS) component. The system's directory removal function, afs_edit_dir_remove(), incorrectly manages memory blocks, specifically block 0. This improper handling could lead to an unstable system state or data integrity issues during directory operations."], "name": "CVE-2026-68168", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68168\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68168\nhttps://lore.kernel.org/linux-cve-announce/2026081005-CVE-2026-68168-38e8@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e,f2b293359924117736218701ebd8b40618d73e6f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e,bfdfc7782ada6f3a4df7182889b66039f8e4131c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e,62d9853aa4ce6e9797b6949804891be14b219752)"}}], "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": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc5,*]"}}], "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": "2026-08-10T14:00:08.103635+00:00", "updated": "2026-08-13T10:15:07.430454+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}