{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68168", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T13:41:40.250Z", "datePublished": "2025-12-16T13:42:48.350Z", "dateUpdated": "2026-05-23T16:02:15.086Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:02:15.086Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix uninitialized waitqueue in transaction manager\n\nThe transaction manager initialization in txInit() was not properly\ninitializing TxBlock[0].waitor waitqueue, causing a crash when\ntxEnd(0) is called on read-only filesystems.\n\nWhen a filesystem is mounted read-only, txBegin() returns tid=0 to\nindicate no transaction. However, txEnd(0) still gets called and\ntries to access TxBlock[0].waitor via tid_to_tblock(0), but this\nwaitqueue was never initialized because the initialization loop\nstarted at index 1 instead of 0.\n\nThis causes a 'non-static key' lockdep warning and system crash:\n INFO: trying to register non-static key in txEnd\n\nFix by ensuring all transaction blocks including TxBlock[0] have\ntheir waitqueues properly initialized during txInit()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/jfs/jfs_txnmgr.c"], "versions": [{"version": "2a8807f9f511c64de0c7cc9900a1683e3d72a3e5", "lessThan": "d6af7fce2e162ac68e85d3a11eb6ac8c35b24b64", "status": "affected", "versionType": "git"}, {"version": "5c094ca994824e038b6a97835ded4e5d1d808504", "lessThan": "8cae9cf23e0bd424ac904e753639a587543ce03a", "status": "affected", "versionType": "git"}, {"version": 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"affected", "versionType": "git"}, {"version": "97c1f26e4d4af55e8584e4646dd5c5fa7baf62c7", "status": "affected", "versionType": "git"}, {"version": "b0ed8ed0428ee96092da6fefa5cfacbe4abed701", "status": "affected", "versionType": "git"}, {"version": "5.4.255", "lessThan": "5.4.302", "status": "affected", "versionType": "semver"}, {"version": "5.10.192", "lessThan": "5.10.247", "status": "affected", "versionType": "semver"}, {"version": "5.15.123", "lessThan": "5.15.197", "status": "affected", "versionType": "semver"}, {"version": "6.1.42", "lessThan": "6.1.159", "status": "affected", "versionType": "semver"}, {"version": "4.14.324", "lessThan": "4.15", "status": "affected", "versionType": "semver"}, {"version": "4.19.293", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "6.4.7", "lessThan": "6.5", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/jfs/jfs_txnmgr.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.302", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.247", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.197", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.159", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.117", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.58", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.8", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "5.4.255", "versionEndExcluding": "5.4.302"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.192", "versionEndExcluding": "5.10.247"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.123", "versionEndExcluding": "5.15.197"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.42", "versionEndExcluding": "6.1.159"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6.117"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", 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"https://git.kernel.org/stable/c/d2dd7ca05a11685c314e62802a55e8d67a90e974"}, {"url": "https://git.kernel.org/stable/c/2a9575a372182ca075070b3cd77490dcf0c951e7"}, {"url": "https://git.kernel.org/stable/c/cbf2f527ae4ca7c7dabce42e85e8deb58588a37e"}, {"url": "https://git.kernel.org/stable/c/038861414ab383b41dd35abbf9ff0ef715592d53"}, {"url": "https://git.kernel.org/stable/c/300b072df72694ea330c4c673c035253e07827b8"}], "title": "jfs: fix uninitialized waitqueue in transaction manager", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix uninitialized waitqueue in transaction manager\n\nThe transaction manager initialization in txInit() was not properly\ninitializing TxBlock[0].waitor waitqueue, causing a crash when\ntxEnd(0) is called on read-only filesystems.\n\nWhen a filesystem is mounted read-only, txBegin() returns tid=0 to\nindicate no transaction. However, txEnd(0) still gets called and\ntries to access TxBlock[0].waitor via tid_to_tblock(0), but this\nwaitqueue was never initialized because the initialization loop\nstarted at index 1 instead of 0.\n\nThis causes a 'non-static key' lockdep warning and system crash:\n INFO: trying to register non-static key in txEnd\n\nFix by ensuring all transaction blocks including TxBlock[0] have\ntheir waitqueues properly initialized during txInit()."}], "id": "CVE-2025-68168", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-16T14:15:48.647", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/038861414ab383b41dd35abbf9ff0ef715592d53"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a9575a372182ca075070b3cd77490dcf0c951e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/300b072df72694ea330c4c673c035253e07827b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8cae9cf23e0bd424ac904e753639a587543ce03a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a2aa97cde9857f881920635a2e3d3b11769619c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cbf2f527ae4ca7c7dabce42e85e8deb58588a37e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d2dd7ca05a11685c314e62802a55e8d67a90e974"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6af7fce2e162ac68e85d3a11eb6ac8c35b24b64"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: jfs: fix uninitialized waitqueue in transaction manager", "id": "2422668", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422668"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-68168", "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": "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": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68168\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68168\nhttps://lore.kernel.org/linux-cve-announce/2025121627-CVE-2025-68168-7341@gregkh/T"], "threat_severity": "Low"}

{}