CVE-2026-89895

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89895", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.773Z", "datePublished": "2026-09-16T10:31:56.817Z", "dateUpdated": "2026-10-19T08:54:28.227Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:54:28.227Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cobalt: Avoid freeing ALSA private data twice\n\nsnd_cobalt_card_create() stores cobsc in sc->private_data and installs\nsnd_cobalt_card_private_free() as sc->private_free. From that point,\nsnd_card_free(sc) releases cobsc through the ALSA card cleanup path.\n\nIf cobalt_alsa_init() fails after snd_cobalt_card_create(), the\nerr_exit_free path calls snd_card_free(sc) and then kfree(cobsc). That\nsecond free releases the same object again.\n\nRemove the explicit kfree(cobsc) and leave ownership with the ALSA card.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/pci/cobalt/cobalt-alsa-main.c"], "versions": [{"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "75bbf45e3a954e292ae26832d2df40ca2e3ee452", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "fe65028ee72a7e07e572b351891bd7a1f8917d33", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "61dfa8ded5efc3a25d331fa9ce5cebb85531fe70", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "42e00371f83c3fc7b99a36bf0229c74ad5d3c7d8", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "6cbc8a73b3464ebeccc49987b7233b6b087b8504", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "cb1218da234ea15fa14d90e2d049d686874d7aa3", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "8c6610e230b9355cf7df5a338a0592c0f088c00b", "status": "affected", "versionType": "git"}, {"version": "85756a069c55e0315ac5990806899cfb607b987f", "lessThan": "3a7d6b9c4cb5ac18cbd3f1c7f8c7b159c42ba0b1", "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/pci/cobalt/cobalt-alsa-main.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "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": "4.2", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/75bbf45e3a954e292ae26832d2df40ca2e3ee452"}, {"url": "https://git.kernel.org/stable/c/fe65028ee72a7e07e572b351891bd7a1f8917d33"}, {"url": "https://git.kernel.org/stable/c/61dfa8ded5efc3a25d331fa9ce5cebb85531fe70"}, {"url": "https://git.kernel.org/stable/c/42e00371f83c3fc7b99a36bf0229c74ad5d3c7d8"}, {"url": "https://git.kernel.org/stable/c/6cbc8a73b3464ebeccc49987b7233b6b087b8504"}, {"url": "https://git.kernel.org/stable/c/cb1218da234ea15fa14d90e2d049d686874d7aa3"}, {"url": "https://git.kernel.org/stable/c/8c6610e230b9355cf7df5a338a0592c0f088c00b"}, {"url": "https://git.kernel.org/stable/c/3a7d6b9c4cb5ac18cbd3f1c7f8c7b159c42ba0b1"}], "title": "media: cobalt: Avoid freeing ALSA private data twice", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/pci/cobalt/cobalt-alsa-main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "75bbf45e3a954e292ae26832d2df40ca2e3ee452", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "fe65028ee72a7e07e572b351891bd7a1f8917d33", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "61dfa8ded5efc3a25d331fa9ce5cebb85531fe70", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "42e00371f83c3fc7b99a36bf0229c74ad5d3c7d8", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "6cbc8a73b3464ebeccc49987b7233b6b087b8504", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "cb1218da234ea15fa14d90e2d049d686874d7aa3", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "8c6610e230b9355cf7df5a338a0592c0f088c00b", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}, {"lessThan": "3a7d6b9c4cb5ac18cbd3f1c7f8c7b159c42ba0b1", "status": "affected", "version": "85756a069c55e0315ac5990806899cfb607b987f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/pci/cobalt/cobalt-alsa-main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.2"}, {"lessThan": "4.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "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\nmedia: cobalt: Avoid freeing ALSA private data twice\n\nsnd_cobalt_card_create() stores cobsc in sc->private_data and installs\nsnd_cobalt_card_private_free() as sc->private_free. From that point,\nsnd_card_free(sc) releases cobsc through the ALSA card cleanup path.\n\nIf cobalt_alsa_init() fails after snd_cobalt_card_create(), the\nerr_exit_free path calls snd_card_free(sc) and then kfree(cobsc). That\nsecond free releases the same object again.\n\nRemove the explicit kfree(cobsc) and leave ownership with the ALSA card.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review."}], "id": "CVE-2026-89895", "lastModified": "2026-10-19T09:18:34.707", "metrics": {}, "published": "2026-09-16T11:16:58.270", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a7d6b9c4cb5ac18cbd3f1c7f8c7b159c42ba0b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/42e00371f83c3fc7b99a36bf0229c74ad5d3c7d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/61dfa8ded5efc3a25d331fa9ce5cebb85531fe70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6cbc8a73b3464ebeccc49987b7233b6b087b8504"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75bbf45e3a954e292ae26832d2df40ca2e3ee452"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c6610e230b9355cf7df5a338a0592c0f088c00b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb1218da234ea15fa14d90e2d049d686874d7aa3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe65028ee72a7e07e572b351891bd7a1f8917d33"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,75bbf45e3a954e292ae26832d2df40ca2e3ee452)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,fe65028ee72a7e07e572b351891bd7a1f8917d33)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,61dfa8ded5efc3a25d331fa9ce5cebb85531fe70)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,42e00371f83c3fc7b99a36bf0229c74ad5d3c7d8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,6cbc8a73b3464ebeccc49987b7233b6b087b8504)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,cb1218da234ea15fa14d90e2d049d686874d7aa3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,8c6610e230b9355cf7df5a338a0592c0f088c00b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[85756a069c55e0315ac5990806899cfb607b987f,3a7d6b9c4cb5ac18cbd3f1c7f8c7b159c42ba0b1)"}}], "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": "4.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.270,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.221,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.51,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-09-17T11:15:07.408758+00:00", "updated": "2026-09-18T09:30:06.176652+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}