CVE-2026-23280 PUBLISHED

accel/amdxdna: Prevent ubuf size overflow

Assigner: Linux
Reserved: 13.01.2026 Published: 25.03.2026 Updated: 25.03.2026

In the Linux kernel, the following vulnerability has been resolved:

accel/amdxdna: Prevent ubuf size overflow

The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption.

Use check_add_overflow() helpers to validate the size calculation before allocation.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from bd72d4acda1069579b35123e3cc0b21ec1193a21 to 1500b31db94374a6669e73ce94d6f71cf8e85e06 (excl.)
  • affected from bd72d4acda1069579b35123e3cc0b21ec1193a21 to 972bf4a23478fcb247b4f507d47a584bc8aea5bd (excl.)
  • affected from bd72d4acda1069579b35123e3cc0b21ec1193a21 to 03808abb1d868aed7478a11a82e5bb4b3f1ca6d6 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.18 is affected
  • unaffected from 0 to 6.18 (excl.)
  • unaffected from 6.18.17 to 6.18.* (incl.)
  • unaffected from 6.19.7 to 6.19.* (incl.)
  • unaffected from 7.0-rc2 to * (incl.)

References