{"id":"CVE-2026-98066","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: Fix potential double-free at error path\n\nThe fix for caiaq driver's resource management to handle the errors\ntries to release the resources in a common des…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: Fix potential double-free at error path\n\nThe fix for caiaq driver's resource management to handle the errors\ntries to release the resources in a common des…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-1341"],"vendor":"Linux","product":"Linux","affected":["Linux >= da938aa9fc7826901921dcea225948ab21a97e45 < ddfff1cec52b7deec6c770ba85de4dab6221d0a2","Linux >= 09616e25f502080ba684fc7fcf959d1376ab756d < da93fd9002d980bb02b729c5d5aeefeb252dd110","Linux >= b956e48371f2ff72b76be9a829800ecec963bd45 < b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056","Linux >= f537e3ad69609f6924a4db6b4a7f6561f5288bdd < 75b20534d7a37e091db585f8b505a3b77b7e81a8","Linux >= 6251e3e256337a30160ef59ab1580dde4d1acd28 < 2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8","Linux >= e59ecd4ee3a450db6cb4e4ecaa3efdd593f80056 < 1dd715ca0568e4833ed5878f49b028b449941096","Linux >= 28abd224db4a49560b452115bca3672a20e45b2f < b629ae7b3eddc6812d5af3614b8c1bd76d65fa75","Linux >= 28abd224db4a49560b452115bca3672a20e45b2f < 3b26ceef88c110f4d188387cffa0df78657be904","Linux 096dd8519cf2f768e9e14f224b627f7aaee1a9c5","Linux >= 5.10.258 < 5.10.271","Linux >= 5.15.209 < 5.15.222","Linux >= 6.1.175 < 6.1.189","Linux >= 6.6.140 < 6.6.158","Linux >= 6.12.86 < 6.12.111","Linux >= 6.18.27 < 6.18.53","Linux >= 7.0.4 < 7.1","Linux 7.1"],"published":"2026-09-25","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:18:27.397","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98066","references":[{"url":"https://git.kernel.org/stable/c/1dd715ca0568e4833ed5878f49b028b449941096","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3b26ceef88c110f4d188387cffa0df78657be904","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/75b20534d7a37e091db585f8b505a3b77b7e81a8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b629ae7b3eddc6812d5af3614b8c1bd76d65fa75","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/da93fd9002d980bb02b729c5d5aeefeb252dd110","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ddfff1cec52b7deec6c770ba85de4dab6221d0a2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98066.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98066"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541139"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98066"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98066"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98066.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00177,"epssPercentile":0.07153,"cvssSource":"vendor","ingestedAt":"2026-09-25T11:06:38.841Z","slug":"CVE-2026-98066","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: Fix potential double-free at error path\n\nThe fix for caiaq driver's resource management to handle the errors\ntries to release the resources in a common destructor call, but as a\nsashiko review for another patch suggested, some of the audio\nresources such as URBs have been already freed, and this may lead to a\ndouble-free.\n\nFor addressing the double-free, call the common destructor function\nfrom each place, and assure that the resource pointers get cleared.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98066.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":212365,"id":"CVE-2026-98066","ts":1790668158808,"field":"cvss","old":null,"new":"7"},{"seq":212364,"id":"CVE-2026-98066","ts":1790668158808,"field":"severity","old":"none","new":"high"}]}