{"id":"CVE-2026-93082","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unwind P2A receiver mailbox setup failure\n\nmailbox_chan_setup() can request an additional P2A receiver channel after\nsuccessfully acquiring the prim…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unwind P2A receiver mailbox setup failure\n\nmailbox_chan_setup() can request an additional P2A receiver channel after\nsuccessfully acquiring the prim…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fa8b28ba22d95be4d2dd3c37fbdbdc066af82941 < 4c2a5d72357e5c6743c23b59615da287140d9d31","Linux >= fa8b28ba22d95be4d2dd3c37fbdbdc066af82941 < 3b0b02134ab90202af80b102fa37196b9689e86f","Linux >= fa8b28ba22d95be4d2dd3c37fbdbdc066af82941 < 3515aed7fe424b79c49ff9cd51f7802a64a4ab7b","Linux >= fa8b28ba22d95be4d2dd3c37fbdbdc066af82941 < f3e3773c4e5e96549d7540d8ddeb4fcd534f6f1d","Linux 6.11"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:02.193","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93082","references":[{"url":"https://git.kernel.org/stable/c/3515aed7fe424b79c49ff9cd51f7802a64a4ab7b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3b0b02134ab90202af80b102fa37196b9689e86f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4c2a5d72357e5c6743c23b59615da287140d9d31","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f3e3773c4e5e96549d7540d8ddeb4fcd534f6f1d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.762Z","epss":0.002,"epssPercentile":0.10108,"slug":"CVE-2026-93082","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unwind P2A receiver mailbox setup failure\n\nmailbox_chan_setup() can request an additional P2A receiver channel after\nsuccessfully acquiring the primary P2A channel. If that later request\nfails, the function returns immediately and leaves the primary channel\nallocated.\n\nUnwind the primary mailbox channel before returning the error so probe\ndeferral or other setup failures do not leave the channel busy for later\nprobe attempts.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}