Use-after-free in Linux kernel - CVE-2026-97978

Vulnerability details

The vulnerability allows a local user to trigger a trace event error.

The vulnerability exists due to use-after-free in the Intel Ethernet Controller (ice) driver trace event definitions when printing previously recorded trace events. A local user can trigger an affected trace event to trigger a trace event error.

The affected trace events are ice_rx_dim_work and ice_tx_dim_work.

Affected software

How to mitigate CVE-2026-97978

External References

• https://git.kernel.org/stable/c/0b0d2f9db2406aa541a8bc3737f4f4aae1cafde9
• https://git.kernel.org/stable/c/ae230874e3ba27e975a9bb21a6ffd05d6a2ea318
• https://git.kernel.org/stable/c/b8bf9bfda5f62e11444e483c2b4aaff90c5cfc6b
• https://git.kernel.org/stable/c/c42db35518bb0eae42ec955520eee0aa94a4a6fe

Related Security Bulletins

• Use-after-free in Linux kernel intel ice driver