CVE-2026-68480

Description

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Make Safe-RET robust against interrupt injection An attacker injecting interrupts while the Safe-RET mitigation executes on machines affected by SRSO can neutralize the safe return sequence, potentially leading to data leakage through speculative execution. Fixup register state as if the Safe-RET sequence executed successfully by "emulating" it, in a manner of speaking, and avoid executing a RET instruction after returning from the interrupt.

References

• https://git.kernel.org/stable/c/608c8f5dccaaf8b8d2b28c0fbdd439d144be62b0
• https://git.kernel.org/stable/c/61649a2d61cb0dbc673f0f232f0f0c298bf50442
• https://git.kernel.org/stable/c/95b08cdd603fe79d2e9d5212fbb13d577c835f4f
• https://git.kernel.org/stable/c/9c0b8105e919be5208c81d5516a194a28c58fe1e
• https://git.kernel.org/stable/c/9de1a49e8f1fbf7c372902573a27a97d4ab4d0af