CVE-2026-80716

{"id": "CVE-2026-80716", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "c172e4c53321ee6429955295ea133bc3597a3ca9", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "3035bb784cea3f338934f5042dd3f35225a51b2e", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "1c1b7e8e545ce65e40f65b55c432765e058ea98f", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "e8b784a3f4fba3ea9c4d05138ecfa784a069627f", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "e8315330e4ec09c0cac625515400e13d0ee22b81", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "2940cc3cf43c72126b74ee6376314c195382023a", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "db09bc4ab19ce548a078240d2374792523953500", "versionType": "git"}, {"status": "affected", "version": "f57f3df03a8e6010e321fa0258d3e054713c3cb7", "lessThan": "f495b6c4c8594122918552c9be2b51eb71647cd9", "versionType": "git"}], "programFiles": ["sound/core/pcm_native.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.1"}, {"status": "unaffected", "version": "0", "lessThan": "5.1", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.265", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.216", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.183", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.151", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.103", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.44", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.8", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["sound/core/pcm_native.c"], "defaultStatus": "affected"}]}], "published": "2026-08-28T08:16:57.303", "references": [{"url": "https://git.kernel.org/stable/c/1c1b7e8e545ce65e40f65b55c432765e058ea98f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2940cc3cf43c72126b74ee6376314c195382023a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3035bb784cea3f338934f5042dd3f35225a51b2e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c172e4c53321ee6429955295ea133bc3597a3ca9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/db09bc4ab19ce548a078240d2374792523953500", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e8315330e4ec09c0cac625515400e13d0ee22b81", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e8b784a3f4fba3ea9c4d05138ecfa784a069627f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f495b6c4c8594122918552c9be2b51eb71647cd9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: wake linked drain waiters on unlink\n\nsnd_pcm_drain() on a linked stream parks an on-stack wait entry on the\ndrained peer's runtime->sleep, and after schedule_timeout() removes it\nonly if that peer is still found in the caller's group. If group\nmembership changes during the wait and the sleep ends by signal or\ntimeout (so autoremove_wake_function() does not run), finish_wait() is\nskipped and snd_pcm_drain() returns with the entry still queued on that\nstream's sleep list; a later wake_up() then walks a freed stack frame.\nThis is reachable by unlinking either the drained or the draining stream.\n\nUnlike the close path (snd_pcm_drop() -> snd_pcm_post_stop()),\nsnd_pcm_unlink() never wakes the sleep queues. Wake every group member\nunder the group lock before the membership change, so a linked drainer is\nreleased and drops its entry while the streams are still grouped.\n\nThe window was opened when snd_pcm_link_rwsem stopped being held across\nthe wait and the removal became conditional on group membership (see\nFixes). The later switch to finish_wait() kept that conditional removal,\nso the signal/timeout case remained."}], "lastModified": "2026-08-29T07:16:53.027", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}