CVE-2026-72313

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72313", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.918Z", "datePublished": "2026-08-15T05:55:28.455Z", "dateUpdated": "2026-08-17T05:12:18.468Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:12:18.468Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/fb-helper: Only consider active CRTCs for vblank sync\n\nOnly synchronize fbdev output to the vblank of an active CRTC. Go over\nthe list of CRTCs and pick the first that matches. Fixes warnings as\nthe one shown below\n\n[ 77.201354] WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x194/0x1cc [drm], CPU#1: kworker/1:7/1867\n[ 77.201354] omapdrm omapdrm.0: [drm] vblank wait timed out on crtc 0\n\nThis currently happens if the fbdev output is not on CRTC 0.\n\nAtomic and non-atomic drivers require distinct code paths. As for other\nfbdev operations, implement both and select the correct one at runtime.\n\nNot finding an active CRTC is not a bug. Do not wait in this case, but\nflush the display update as before.\n\nv4:\n- avoid possible deadlocks with locking context (Sashiko)\nv3:\n- drop excessive state validation (Jani)\n- acquire plane and CRTC mutices (Sashiko)\nv2:\n- move look-up code into separate helper\n- support drivers with legacy modesetting\nv1:\n- see https://lore.kernel.org/dri-devel/1c9e0e24-9c4a-4259-8700-cf9e5fd60ca3@suse.de/"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_fb_helper.c"], "versions": [{"version": "d8c4bddcd8bcb41885d3db2ba18c840c411564c2", "lessThan": "7d84acf641afb68aa8efe40815ef43779ddb12fd", "status": "affected", "versionType": "git"}, {"version": "d8c4bddcd8bcb41885d3db2ba18c840c411564c2", "lessThan": "06c2b8d7ea2bcb014dd974fc3bc6d128d65d7477", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_fb_helper.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "6.19", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7d84acf641afb68aa8efe40815ef43779ddb12fd"}, {"url": "https://git.kernel.org/stable/c/06c2b8d7ea2bcb014dd974fc3bc6d128d65d7477"}], "title": "drm/fb-helper: Only consider active CRTCs for vblank sync", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/drm_fb_helper.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7d84acf641afb68aa8efe40815ef43779ddb12fd", "status": "affected", "version": "d8c4bddcd8bcb41885d3db2ba18c840c411564c2", "versionType": "git"}, {"lessThan": "06c2b8d7ea2bcb014dd974fc3bc6d128d65d7477", "status": "affected", "version": "d8c4bddcd8bcb41885d3db2ba18c840c411564c2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/drm_fb_helper.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\ndrm/fb-helper: Only consider active CRTCs for vblank sync\n\nOnly synchronize fbdev output to the vblank of an active CRTC. Go over\nthe list of CRTCs and pick the first that matches. Fixes warnings as\nthe one shown below\n\n[ 77.201354] WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x194/0x1cc [drm], CPU#1: kworker/1:7/1867\n[ 77.201354] omapdrm omapdrm.0: [drm] vblank wait timed out on crtc 0\n\nThis currently happens if the fbdev output is not on CRTC 0.\n\nAtomic and non-atomic drivers require distinct code paths. As for other\nfbdev operations, implement both and select the correct one at runtime.\n\nNot finding an active CRTC is not a bug. Do not wait in this case, but\nflush the display update as before.\n\nv4:\n- avoid possible deadlocks with locking context (Sashiko)\nv3:\n- drop excessive state validation (Jani)\n- acquire plane and CRTC mutices (Sashiko)\nv2:\n- move look-up code into separate helper\n- support drivers with legacy modesetting\nv1:\n- see https://lore.kernel.org/dri-devel/1c9e0e24-9c4a-4259-8700-cf9e5fd60ca3@suse.de/"}], "id": "CVE-2026-72313", "lastModified": "2026-08-17T06:18:34.437", "metrics": {}, "published": "2026-08-15T06:22:04.123", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06c2b8d7ea2bcb014dd974fc3bc6d128d65d7477"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d84acf641afb68aa8efe40815ef43779ddb12fd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/fb-helper: Only consider active CRTCs for vblank sync", "id": "2516617", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516617"}, "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-366", "details": ["A flaw was found in the Linux kernel's display rendering manager (DRM) framebuffer helper (`drm/fb-helper`). This vulnerability arises from incorrect synchronization with display controllers (CRTCs), where the system attempts to synchronize with an inactive controller. This can lead to display timeouts and potential system unresponsiveness, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-72313", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72313\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72313\nhttps://lore.kernel.org/linux-cve-announce/2026081505-CVE-2026-72313-834a@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8c4bddcd8bcb41885d3db2ba18c840c411564c2,7d84acf641afb68aa8efe40815ef43779ddb12fd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8c4bddcd8bcb41885d3db2ba18c840c411564c2,06c2b8d7ea2bcb014dd974fc3bc6d128d65d7477)"}}], "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": "semver", "value": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc3,*]"}}], "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": "2026-08-15T19:00:03.259333+00:00", "updated": "2026-08-22T08:45:03.184819+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}