{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80965", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.810Z", "datePublished": "2026-09-11T19:42:30.507Z", "dateUpdated": "2026-09-11T19:42:30.507Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:42:30.507Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: serial-u16550: Check card index validity at probe\n\nserial-u16550 driver blindly trusts that the given devptr->id value is\nwithin the proper card index range at probe. It's OK for the devices\nthe driver itself creates at the module probe time, but if the device\nis bound manually via sysfs interface, this could be -1 as \"none\", and\nthis leads to OOB access for index[] and other parameters.\n\nAdd a sanity check for the card index and warn/correct it if it's a\nvalue out of the range."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/drivers/serial-u16550.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "fbf3fb097e66fc1874e54ecc46d600d9325480d6", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7555e83d7738e65dc83921e3c85bbdc081f08f2f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "e0fb960b227fcdebe22e4f26c9486d60943c0424", "status": "affected", "versionType": "git"}, {"version": "0", "lessThan": "6.12.109", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "6.18.50", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "7.2.4", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/drivers/serial-u16550.c"], "versions": [{"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fbf3fb097e66fc1874e54ecc46d600d9325480d6"}, {"url": "https://git.kernel.org/stable/c/7555e83d7738e65dc83921e3c85bbdc081f08f2f"}, {"url": "https://git.kernel.org/stable/c/6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba"}, {"url": "https://git.kernel.org/stable/c/e0fb960b227fcdebe22e4f26c9486d60943c0424"}], "title": "ALSA: serial-u16550: Check card index validity at probe", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/drivers/serial-u16550.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fbf3fb097e66fc1874e54ecc46d600d9325480d6", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "7555e83d7738e65dc83921e3c85bbdc081f08f2f", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "e0fb960b227fcdebe22e4f26c9486d60943c0424", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "6.12.109", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "6.18.50", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "7.2.4", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/drivers/serial-u16550.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "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\nALSA: serial-u16550: Check card index validity at probe\n\nserial-u16550 driver blindly trusts that the given devptr->id value is\nwithin the proper card index range at probe. It's OK for the devices\nthe driver itself creates at the module probe time, but if the device\nis bound manually via sysfs interface, this could be -1 as \"none\", and\nthis leads to OOB access for index[] and other parameters.\n\nAdd a sanity check for the card index and warn/correct it if it's a\nvalue out of the range."}], "id": "CVE-2026-80965", "lastModified": "2026-09-11T20:19:02.477", "metrics": {}, "published": "2026-09-11T20:19:02.477", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7555e83d7738e65dc83921e3c85bbdc081f08f2f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e0fb960b227fcdebe22e4f26c9486d60943c0424"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fbf3fb097e66fc1874e54ecc46d600d9325480d6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: ALSA serial-u16550 driver vulnerable to denial of service via out-of-bounds access", "id": "2532257", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532257"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-805", "details": ["A flaw was found in the Linux kernel's ALSA serial-u16550 driver. This vulnerability occurs because the driver does not properly validate the card index when a device is manually bound via the sysfs interface. A local user could exploit this by providing an invalid card index, leading to an out-of-bounds memory access. This could result in a system crash, causing a denial of service."], "name": "CVE-2026-80965", "public_date": "2026-09-11T19:42:30Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80965\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80965\nhttps://git.kernel.org/stable/c/6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba\nhttps://git.kernel.org/stable/c/7555e83d7738e65dc83921e3c85bbdc081f08f2f\nhttps://git.kernel.org/stable/c/e0fb960b227fcdebe22e4f26c9486d60943c0424\nhttps://git.kernel.org/stable/c/fbf3fb097e66fc1874e54ecc46d600d9325480d6"], "threat_severity": "Moderate"}

{}