CVE-2026-89817

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89817", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.768Z", "datePublished": "2026-09-16T10:30:49.977Z", "dateUpdated": "2026-10-19T08:53:11.379Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:53:11.379Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: NUL-terminate TV mode names read from the device\n\ngud_connector_add_tv_mode() reads a buffer of fixed-size mode names from\nthe USB device and passes pointers into it to\ndrm_mode_create_tv_properties_legacy(), which calls strlen() on each one.\nNothing guarantees the device NUL-terminates a name, so strlen() can run\npast the end of a slot and, for the last mode, past the end of the\nallocation.\n\nTerminate each name at the end of its slot before use."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/gud/gud_connector.c"], "versions": [{"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "08c8ec28547987e55a90c662f8795e05c2925498", "status": "affected", "versionType": "git"}, {"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "9096edfd6f2edbc79612b482547e0972edbcfe4b", "status": "affected", "versionType": "git"}, {"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "89210cb5ff8fdbe055c97ac688be2268f6c815ae", "status": "affected", "versionType": "git"}, {"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "d0f3312f7800eb0e00d1264f66104c788f43dd69", "status": "affected", "versionType": "git"}, {"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "b86438a5c6b0250ccb07dd380184d1e70e0dea6c", "status": "affected", "versionType": "git"}, {"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "6ea61f1d4cbaa0db937e31bffc041fb8afeacf52", "status": "affected", "versionType": "git"}, {"version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "lessThan": "500cb24cd61bad8a2747ddfc49b7034899c82d94", "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/gud/gud_connector.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.51", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.5", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.13", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/08c8ec28547987e55a90c662f8795e05c2925498"}, {"url": "https://git.kernel.org/stable/c/9096edfd6f2edbc79612b482547e0972edbcfe4b"}, {"url": "https://git.kernel.org/stable/c/89210cb5ff8fdbe055c97ac688be2268f6c815ae"}, {"url": "https://git.kernel.org/stable/c/d0f3312f7800eb0e00d1264f66104c788f43dd69"}, {"url": "https://git.kernel.org/stable/c/b86438a5c6b0250ccb07dd380184d1e70e0dea6c"}, {"url": "https://git.kernel.org/stable/c/6ea61f1d4cbaa0db937e31bffc041fb8afeacf52"}, {"url": "https://git.kernel.org/stable/c/500cb24cd61bad8a2747ddfc49b7034899c82d94"}], "title": "drm/gud: NUL-terminate TV mode names read from the device", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/gud/gud_connector.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "08c8ec28547987e55a90c662f8795e05c2925498", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}, {"lessThan": "9096edfd6f2edbc79612b482547e0972edbcfe4b", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}, {"lessThan": "89210cb5ff8fdbe055c97ac688be2268f6c815ae", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}, {"lessThan": "d0f3312f7800eb0e00d1264f66104c788f43dd69", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}, {"lessThan": "b86438a5c6b0250ccb07dd380184d1e70e0dea6c", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}, {"lessThan": "6ea61f1d4cbaa0db937e31bffc041fb8afeacf52", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}, {"lessThan": "500cb24cd61bad8a2747ddfc49b7034899c82d94", "status": "affected", "version": "40e1a70b4aedf2859a1829991b48ef0ebe650bf2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/gud/gud_connector.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.51", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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/gud: NUL-terminate TV mode names read from the device\n\ngud_connector_add_tv_mode() reads a buffer of fixed-size mode names from\nthe USB device and passes pointers into it to\ndrm_mode_create_tv_properties_legacy(), which calls strlen() on each one.\nNothing guarantees the device NUL-terminates a name, so strlen() can run\npast the end of a slot and, for the last mode, past the end of the\nallocation.\n\nTerminate each name at the end of its slot before use."}], "id": "CVE-2026-89817", "lastModified": "2026-10-19T09:18:25.563", "metrics": {}, "published": "2026-09-16T11:16:46.990", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/08c8ec28547987e55a90c662f8795e05c2925498"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/500cb24cd61bad8a2747ddfc49b7034899c82d94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6ea61f1d4cbaa0db937e31bffc041fb8afeacf52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89210cb5ff8fdbe055c97ac688be2268f6c815ae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9096edfd6f2edbc79612b482547e0972edbcfe4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b86438a5c6b0250ccb07dd380184d1e70e0dea6c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0f3312f7800eb0e00d1264f66104c788f43dd69"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,08c8ec28547987e55a90c662f8795e05c2925498)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,9096edfd6f2edbc79612b482547e0972edbcfe4b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,89210cb5ff8fdbe055c97ac688be2268f6c815ae)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,d0f3312f7800eb0e00d1264f66104c788f43dd69)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,b86438a5c6b0250ccb07dd380184d1e70e0dea6c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,6ea61f1d4cbaa0db937e31bffc041fb8afeacf52)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[40e1a70b4aedf2859a1829991b48ef0ebe650bf2,500cb24cd61bad8a2747ddfc49b7034899c82d94)"}}], "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": "5.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.221,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.51,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc2,*]"}}], "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": "2026-09-17T06:00:08.822322+00:00", "updated": "2026-09-18T10:30:07.493161+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125", "CWE-20"]}