CVE-2026-80776 futex: Fix race in futex_pivot_pending() during private hash resize

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race in futexpivotpending during private hash resize A task performing a custom private hash resize can remain blocked in uninterruptible sleep indefinitely. The hung-task detector reports: INFO: task futex-resizer:314...

CVE-2026-80758

In the Linux kernel, the following vulnerability has been resolved: futex: Avoid private hash use-after-free on final put futexprivatehashput drops the reference to fph before evaluating fph-mm for wakeupvar. futexrefput enables preemption again before returning. If that put drops the final...

PT-2026-85599

In the Linux kernel, the following vulnerability has been resolved: futex: Avoid private hash use-after-free on final put futex private hash put drops the reference to fph before evaluating fph-mm for wake up var. futex ref put enables preemption again before returning. If that put drops the fina...

ANT-2026-1BCAFJCC · torvalds/linux · Use-After-Free

use-after-free high CVE-2026-31554 Severity Claude high · Security research firm - · Maintainer high REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-1BCAFJCC: futex: UAF in private-hash teardown via cross-process sysfutexrequeue leading giving LPE A process P can allocat...

SUSE CVE-2026-52973

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONETHREAD requirement for private default hash alloc Currently needfutexhashallocatedefault depends on strict pthread semantics, abusing CLONETHREAD. This breaks the non-concurrency assumptions when doing the...