CVE-2026-80657accel/amdxdna: Guard management mailbox channel cleanup against NULL pointer
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Guard management mailbox channel cleanup against NULL pointer The management mailbox channel cleanup helpers can be called from error handling paths when mgmt_chann has already been destroyed. Add NULL checks to xdna_mailbox_free_channel() and xdna_mailbox_stop_channel() so the cleanup path safely returns instead of dereferencing a NULL mailbox channel pointer.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from b87f920b934426a24d54613f12ed67c03ae05024 before 83d6d375f357ed2702b28d739511aad56d485de7; from b87f920b934426a24d54613f12ed67c03ae05024 before 506255d46bdb93a281cf39e72abbca124f5c7a1b | CNA record |
References
- https://git.kernel.org/stable/c/83d6d375f357ed2702b28d739511aad56d485de7
- https://git.kernel.org/stable/c/506255d46bdb93a281cf39e72abbca124f5c7a1b
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.