CVE-2026-89874

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89874", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.772Z", "datePublished": "2026-09-16T10:31:42.054Z", "dateUpdated": "2026-10-19T08:54:07.245Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:54:07.245Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: avoid deleting unlinked ASC entry on link error\n\nv4l2_async_match_notify() creates ancillary media links before adding\nasc->asc_subdev_entry to sd->asc_list.\n\nIf ancillary link creation fails, the function jumps to\nerr_call_unbind while asc_subdev_entry has not been linked yet. Async\nconnections are zero-allocated, so the list entry still has NULL next\nand prev pointers on this path. Calling list_del() on it can therefore\ndereference NULL instead of returning the original link creation error.\n\nDo not delete asc_subdev_entry from err_call_unbind. There is no list\ninsertion to undo on this path; the bound callback and sub-device\nregistration are the operations that need to be rolled back."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/v4l2-core/v4l2-async.c"], "versions": [{"version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "lessThan": "d273571e531405426983c6a45ec635c7d0415eed", "status": "affected", "versionType": "git"}, {"version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "lessThan": "caac13f518d83974e9884d1eeda3d4cc3bb92978", "status": "affected", "versionType": "git"}, {"version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "lessThan": "3345746e0957bce6c53644838e4955710a82a962", "status": "affected", "versionType": "git"}, {"version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "lessThan": "a57d94026cb4fd7b3d258f0db2ad391cbccfaba5", "status": "affected", "versionType": "git"}, {"version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "lessThan": "47d82b605351c0e04f6365e42c8ffe2fcfdba615", "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/media/v4l2-core/v4l2-async.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "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": "6.6", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d273571e531405426983c6a45ec635c7d0415eed"}, {"url": "https://git.kernel.org/stable/c/caac13f518d83974e9884d1eeda3d4cc3bb92978"}, {"url": "https://git.kernel.org/stable/c/3345746e0957bce6c53644838e4955710a82a962"}, {"url": "https://git.kernel.org/stable/c/a57d94026cb4fd7b3d258f0db2ad391cbccfaba5"}, {"url": "https://git.kernel.org/stable/c/47d82b605351c0e04f6365e42c8ffe2fcfdba615"}], "title": "media: v4l2-async: avoid deleting unlinked ASC entry on link error", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/v4l2-core/v4l2-async.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d273571e531405426983c6a45ec635c7d0415eed", "status": "affected", "version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "versionType": "git"}, {"lessThan": "caac13f518d83974e9884d1eeda3d4cc3bb92978", "status": "affected", "version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "versionType": "git"}, {"lessThan": "3345746e0957bce6c53644838e4955710a82a962", "status": "affected", "version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "versionType": "git"}, {"lessThan": "a57d94026cb4fd7b3d258f0db2ad391cbccfaba5", "status": "affected", "version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "versionType": "git"}, {"lessThan": "47d82b605351c0e04f6365e42c8ffe2fcfdba615", "status": "affected", "version": "28a1295795d85a25f2e7dd391c43969e95fcb341", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/v4l2-core/v4l2-async.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "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\nmedia: v4l2-async: avoid deleting unlinked ASC entry on link error\n\nv4l2_async_match_notify() creates ancillary media links before adding\nasc->asc_subdev_entry to sd->asc_list.\n\nIf ancillary link creation fails, the function jumps to\nerr_call_unbind while asc_subdev_entry has not been linked yet. Async\nconnections are zero-allocated, so the list entry still has NULL next\nand prev pointers on this path. Calling list_del() on it can therefore\ndereference NULL instead of returning the original link creation error.\n\nDo not delete asc_subdev_entry from err_call_unbind. There is no list\ninsertion to undo on this path; the bound callback and sub-device\nregistration are the operations that need to be rolled back."}], "id": "CVE-2026-89874", "lastModified": "2026-10-19T09:18:32.170", "metrics": {}, "published": "2026-09-16T11:16:55.643", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3345746e0957bce6c53644838e4955710a82a962"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/47d82b605351c0e04f6365e42c8ffe2fcfdba615"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a57d94026cb4fd7b3d258f0db2ad391cbccfaba5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/caac13f518d83974e9884d1eeda3d4cc3bb92978"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d273571e531405426983c6a45ec635c7d0415eed"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[28a1295795d85a25f2e7dd391c43969e95fcb341,d273571e531405426983c6a45ec635c7d0415eed)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[28a1295795d85a25f2e7dd391c43969e95fcb341,caac13f518d83974e9884d1eeda3d4cc3bb92978)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[28a1295795d85a25f2e7dd391c43969e95fcb341,3345746e0957bce6c53644838e4955710a82a962)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[28a1295795d85a25f2e7dd391c43969e95fcb341,a57d94026cb4fd7b3d258f0db2ad391cbccfaba5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[28a1295795d85a25f2e7dd391c43969e95fcb341,47d82b605351c0e04f6365e42c8ffe2fcfdba615)"}}], "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": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.157,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.110,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.51,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.5,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-17T08:30:15.250996+00:00", "updated": "2026-09-18T03:15:02.174811+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}