{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23043", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.944Z", "datePublished": "2026-02-04T16:00:26.353Z", "dateUpdated": "2026-02-04T16:00:26.353Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-04T16:00:26.353Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix NULL pointer dereference in do_abort_log_replay()\n\nCoverity reported a NULL pointer dereference issue (CID 1666756) in\ndo_abort_log_replay(). When btrfs_alloc_path() fails in\nreplay_one_buffer(), wc->subvol_path is NULL, but btrfs_abort_log_replay()\ncalls do_abort_log_replay() which unconditionally dereferences\nwc->subvol_path when attempting to print debug information. Fix this by\nadding a NULL check before dereferencing wc->subvol_path in\ndo_abort_log_replay()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/tree-log.c"], "versions": [{"version": "2753e49176240f21e4bb10e03514f99e732704bb", "lessThan": "6d1b61b8e1e44888c643d89225ab819b10649b2e", "status": "affected", "versionType": "git"}, {"version": "2753e49176240f21e4bb10e03514f99e732704bb", "lessThan": "530e3d4af566ca44807d79359b90794dea24c4f3", "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/btrfs/tree-log.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.6", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc5", "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": "6.18", "versionEndExcluding": "6.18.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6d1b61b8e1e44888c643d89225ab819b10649b2e"}, {"url": "https://git.kernel.org/stable/c/530e3d4af566ca44807d79359b90794dea24c4f3"}], "title": "btrfs: fix NULL pointer dereference in do_abort_log_replay()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix NULL pointer dereference in do_abort_log_replay()\n\nCoverity reported a NULL pointer dereference issue (CID 1666756) in\ndo_abort_log_replay(). When btrfs_alloc_path() fails in\nreplay_one_buffer(), wc->subvol_path is NULL, but btrfs_abort_log_replay()\ncalls do_abort_log_replay() which unconditionally dereferences\nwc->subvol_path when attempting to print debug information. Fix this by\nadding a NULL check before dereferencing wc->subvol_path in\ndo_abort_log_replay()."}], "id": "CVE-2026-23043", "lastModified": "2026-02-04T16:33:44.537", "metrics": {}, "published": "2026-02-04T16:16:19.793", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/530e3d4af566ca44807d79359b90794dea24c4f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d1b61b8e1e44888c643d89225ab819b10649b2e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: btrfs: fix NULL pointer dereference in do_abort_log_replay()", "id": "2436769", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436769"}, "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-2026-23043", "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": "2026-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23043\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23043\nhttps://lore.kernel.org/linux-cve-announce/2026020439-CVE-2026-23043-4975@gregkh/T"], "threat_severity": "Low"}

{}