EUVD-2026-39194

In the Linux kernel, the following vulnerability has been resolved: rseq: Fix using an uninitialized stack variable in rseqexituserupdate There is an bug in which an uninitialized stack variable is used in rseqexituserupdate as reported by syzbot: BUG: KMSAN: kernel-infoleak in rseqsetidsgetcsadd...

PT-2026-52338

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where an uninitialized stack variable is used within the rseq exit user update function. This occurs because the evaluation order of expressions in an initializer list is...