{"id":"CVE-2026-74614","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: read virtqueues under worker locks\n\nCommit bd50c5dc182b (\"vsock/virtio: add support for device\nsuspend/resume\") made the *_run flags transition from false…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: read virtqueues under worker locks\n\nCommit bd50c5dc182b (\"vsock/virtio: add support for device\nsuspend/resume\") made the *_run flags transition from false…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"Linux","product":"Linux","affected":["Linux >= 762c251c7f5c4ee5bef71460c6e822ed293fd69f < 941329ce14c5f481223a10d1d4c8b57ea7f3048a","Linux >= bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c < 29dd10583bf9d2744cd84b862e4257c0a5699570","Linux >= bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c < a1fb0c5b8a7c2753758aeced40971f99449dde0c","Linux >= bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c < eae099c764c7ebdb842eb1f638913e310bdd6513","Linux >= bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c < bd43a7ec668be428265b3209eb43647aedcf720a","Linux >= bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c < 1cecb4202afdbeddcf29d59baf596ac6ab753f7f","Linux >= bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c < ebac8f6b1ef0e9278afe204b8692a7479988dace","Linux >= 5.15.138 < 5.15.216","Linux 5.19"],"published":"2026-08-22","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:17:46.687","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74614","references":[{"url":"https://git.kernel.org/stable/c/1cecb4202afdbeddcf29d59baf596ac6ab753f7f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/29dd10583bf9d2744cd84b862e4257c0a5699570","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/941329ce14c5f481223a10d1d4c8b57ea7f3048a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a1fb0c5b8a7c2753758aeced40971f99449dde0c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bd43a7ec668be428265b3209eb43647aedcf720a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eae099c764c7ebdb842eb1f638913e310bdd6513","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ebac8f6b1ef0e9278afe204b8692a7479988dace","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74614.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-74614"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2521402"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74614"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74614"},{"url":"https://kernelcve.org/list/?q=CVE-2026-74614"},{"url":"https://lore.kernel.org/linux-cve-announce/2026082218-CVE-2026-74614-b5a1@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00142,"epssPercentile":0.03453,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T19:02:27.223007Z"},"scores":{"nvd":8.4,"vendor":4.7},"ingestedAt":"2026-10-14T13:30:58.516Z","slug":"CVE-2026-74614","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: read virtqueues under worker locks\n\nCommit bd50c5dc182b (\"vsock/virtio: add support for device\nsuspend/resume\") made the *_run flags transition from false to true when\nrestore installs replacement virtqueues.  The RX, TX and event workers\nread their virtqueue before locking and checking the corresponding flag,\nso a worker delayed across freeze and restore can observe the replacement\nqueue's running state while retaining a pointer to the deleted queue.\n\nRead each virtqueue under its mutex after checking the run flag, keeping\nthe pointer and state in the same queue generation.\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 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74614.json)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}