linux: In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Unwind P2A receiver mailbox...
CVE-2026-93082 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-93082, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Unwind P2A receiver mailbox setup failure mailbox_chan_setup() can request an additional P2A receiver channel after successfully acquiring the primary P2A channel. If that later request fails, the function returns immediately and leaves the primary channel allocated. Unwind the primary mailbox channel before returning the error so probe deferral or other setup failures do not leave the channel busy for later probe attempts.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 13.5 (trixie) | 6.12.111-1 | DEBIAN-CVE-2026-93082 | Sep 23, 2026 |
| linux · Debian 14 | 7.2.6-1 | DEBIAN-CVE-2026-93082 | Sep 23, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.111-1~deb12u1 | DEBIAN-CVE-2026-93082 | Sep 23, 2026 |
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