CVE-2026-23288: accel/amdxdna: Fix out-of-bounds memset in command slot handling

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-25 · updated 2026-06-17
Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix out-of-bounds memset in command slot handling The remaining space in a command slot may be smaller than the size of the command header. Clearing the command header with memset() before verifying the available slot space can result in an out-of-bounds write and memory corruption. Fix this by moving the memset() call after the size validation.

Affected products

Linux kernel: from 6.19.4 before 6.19.7; 7.0-rc1 — fixed in 6.19.7

How to fix

Upgrade to a fixed version: Linux kernel 6.19.7. Check the vendor advisory for mitigations.

References

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