SB2026092853 - Missing Release of Resource after Effective Lifetime in Linux kernel accel amdxdna driver

Description

This security bulletin contains information about 1 vulnerability.

1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2026-98144)

CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a resource leak.

The vulnerability exists due to improper resource management in amdxdna_cmd_set_error() when handling a command chain whose buffer object mapping fails. A local user can close a submitted buffer object handle and import a dma-buf without vmap support onto the same ID to cause a resource leak.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/7e33ba3a1d48c2d20ed270dec9d2d08332585c8e
• https://git.kernel.org/stable/c/eb90cb257e0792ac11f0347254bad3fc72417db6