{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43063", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.981Z", "datePublished": "2026-05-05T15:23:24.034Z", "dateUpdated": "2026-05-11T22:16:59.776Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:16:59.776Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't irele after failing to iget in xfs_attri_recover_work\n\nxlog_recovery_iget* never set @ip to a valid pointer if they return\nan error, so this irele will walk off a dangling pointer. Fix that."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/xfs_attr_item.c"], "versions": [{"version": "ae673f534a30976ce5e709c4535a59c12b786ef3", "lessThan": "b5c5a50c2f513d4a13a6763564a07b470e69cc5a", "status": "affected", "versionType": "git"}, {"version": "ae673f534a30976ce5e709c4535a59c12b786ef3", "lessThan": "a1a5df1038f0b3c560d204270373621a4e622808", "status": "affected", "versionType": "git"}, {"version": "ae673f534a30976ce5e709c4535a59c12b786ef3", "lessThan": "40082d08b638485cbaa543dc8087a3d1844d6f08", "status": "affected", "versionType": "git"}, {"version": "ae673f534a30976ce5e709c4535a59c12b786ef3", "lessThan": "70685c291ef82269180758130394ecdc4496b52c", "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/xfs/xfs_attr_item.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.80", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.21", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.11", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.10", "versionEndExcluding": "6.12.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.19.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b5c5a50c2f513d4a13a6763564a07b470e69cc5a"}, {"url": "https://git.kernel.org/stable/c/a1a5df1038f0b3c560d204270373621a4e622808"}, {"url": "https://git.kernel.org/stable/c/40082d08b638485cbaa543dc8087a3d1844d6f08"}, {"url": "https://git.kernel.org/stable/c/70685c291ef82269180758130394ecdc4496b52c"}], "title": "xfs: don't irele after failing to iget in xfs_attri_recover_work", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't irele after failing to iget in xfs_attri_recover_work\n\nxlog_recovery_iget* never set @ip to a valid pointer if they return\nan error, so this irele will walk off a dangling pointer. Fix that."}], "id": "CVE-2026-43063", "lastModified": "2026-05-08T13:16:37.457", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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"}]}, "published": "2026-05-05T16:16:15.467", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/40082d08b638485cbaa543dc8087a3d1844d6f08"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/70685c291ef82269180758130394ecdc4496b52c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a1a5df1038f0b3c560d204270373621a4e622808"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5c5a50c2f513d4a13a6763564a07b470e69cc5a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: xfs: don't irele after failing to iget in xfs_attri_recover_work", "id": "2466794", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466794"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's XFS filesystem. When recovering attributes, if the `xlog_recovery_iget*` function fails to obtain a valid pointer, a subsequent `irele` operation attempts to release an invalid memory address. This dangling pointer issue can be exploited by a local attacker, potentially leading to a system crash and a denial of service (DoS)."], "name": "CVE-2026-43063", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43063\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43063\nhttps://lore.kernel.org/linux-cve-announce/2026050531-CVE-2026-43063-4bdd@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae673f534a30976ce5e709c4535a59c12b786ef3,b5c5a50c2f513d4a13a6763564a07b470e69cc5a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae673f534a30976ce5e709c4535a59c12b786ef3,a1a5df1038f0b3c560d204270373621a4e622808)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae673f534a30976ce5e709c4535a59c12b786ef3,40082d08b638485cbaa543dc8087a3d1844d6f08)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae673f534a30976ce5e709c4535a59c12b786ef3,70685c291ef82269180758130394ecdc4496b52c)"}}], "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": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "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": "2026-05-05T17:30:05.993977+00:00", "updated": "2026-05-08T16:45:13.018751+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}