{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43264", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.997Z", "datePublished": "2026-05-06T11:28:50.867Z", "dateUpdated": "2026-05-06T11:28:50.867Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:28:50.867Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: of: display_timing: fix refcount leak in of_get_display_timings()\n\nof_parse_phandle() returns a device_node with refcount incremented,\nwhich is stored in 'entry' and then copied to 'native_mode'. When the\nerror paths at lines 184 or 192 jump to 'entryfail', native_mode's\nrefcount is not decremented, causing a refcount leak.\n\nFix this by changing the goto target from 'entryfail' to 'timingfail',\nwhich properly calls of_node_put(native_mode) before cleanup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/of_display_timing.c"], "versions": [{"version": "cc3f414cf2e404130584b63d373161ba6fd24bc2", "lessThan": "20881ad42e651c69d89eb38a2042838187900fd6", "status": "affected", "versionType": "git"}, {"version": "cc3f414cf2e404130584b63d373161ba6fd24bc2", "lessThan": "b5bdcc5afbff845834d04d651773cb6b47db5dd3", "status": "affected", "versionType": "git"}, {"version": "cc3f414cf2e404130584b63d373161ba6fd24bc2", "lessThan": "2b22e4fe1273c24f405ed7903349c4bbd82b6368", "status": "affected", "versionType": "git"}, {"version": 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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: of: display_timing: fix refcount leak in of_get_display_timings()\n\nof_parse_phandle() returns a device_node with refcount incremented,\nwhich is stored in 'entry' and then copied to 'native_mode'. When the\nerror paths at lines 184 or 192 jump to 'entryfail', native_mode's\nrefcount is not decremented, causing a refcount leak.\n\nFix this by changing the goto target from 'entryfail' to 'timingfail',\nwhich properly calls of_node_put(native_mode) before cleanup."}], "id": "CVE-2026-43264", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:47.373", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/20881ad42e651c69d89eb38a2042838187900fd6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b22e4fe1273c24f405ed7903349c4bbd82b6368"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ed019654234edb8625c05d05e15d40f74e64f70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/69290f2d3999c5fa1a7f5d5593cfc5461fa3ee64"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5bdcc5afbff845834d04d651773cb6b47db5dd3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c5734f9030a8b1e13868d1641b5163d8e659306e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6f34bbff07476c6abb8672c89d217824871c5ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eacf9840ae1285a1ef47eb0ce16d786e542bd4d7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: fbdev: of: display_timing: fix refcount leak in of_get_display_timings()", "id": "2467204", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467204"}, "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-911", "details": ["A flaw was found in the Linux kernel's fbdev (framebuffer device) subsystem. This vulnerability, a reference count (refcount) leak, occurs within the of_get_display_timings() function. Specifically, when of_parse_phandle() returns a device_node with an incremented refcount, certain error paths fail to decrement this count. This can lead to resource exhaustion, potentially resulting in a denial of service (DoS) for affected systems."], "name": "CVE-2026-43264", "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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43264\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43264\nhttps://lore.kernel.org/linux-cve-announce/2026050608-CVE-2026-43264-7177@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,20881ad42e651c69d89eb38a2042838187900fd6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,b5bdcc5afbff845834d04d651773cb6b47db5dd3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,2b22e4fe1273c24f405ed7903349c4bbd82b6368)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,3ed019654234edb8625c05d05e15d40f74e64f70)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,d6f34bbff07476c6abb8672c89d217824871c5ed)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,69290f2d3999c5fa1a7f5d5593cfc5461fa3ee64)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,c5734f9030a8b1e13868d1641b5163d8e659306e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cc3f414cf2e404130584b63d373161ba6fd24bc2,eacf9840ae1285a1ef47eb0ce16d786e542bd4d7)"}}], "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": "3.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.252,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.202,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.165,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.128,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.16,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.6,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "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": "2026-05-06T16:15:06.981518+00:00", "updated": "2026-05-07T17:45:34.336441+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}