Unbreakable Enterprise kernel security update

5.15.0-322.203.3.3 - locking/rtmutex: Skip removewaiter when waiter is not enqueued Davidlohr Bueso Orabug: 39706512 - rtmutex: Use waiter::task instead of current in removewaiter Keenan Dong Orabug: 39706512 CVE-2026-43499 5.15.0-322.203.3.2 - KVM: x86/mmu: Ensure hugepage is in by slot before...

Unbreakable Enterprise kernel security update

5.4.17-2136.357.3.2 - locking/rtmutex: Skip removewaiter when waiter is not enqueued Davidlohr Bueso Orabug: 39706958 - rtmutex: Use waiter::task instead of current in removewaiter Keenan Dong Orabug: 39706958 CVE-2026-43499 5.4.17-2136.357.3.1 - KVM: x86: Fix shadow paging use-after-free due to...

ROOT-OS-DEBIAN-12-CVE-2026-43499 CVE-2026-43499 in rootio-linux - Patched by Root

Root has patched CVE-2026-43499 in the rootio-linux package for Root:Debian:12. Multiple fixed versions available...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks bsc1263790. CVE-2026-43037: ip6tunnel: clear skb2-cb in ip4ip6err bsc1263995. CVE-2026-43206:...

CVE-2026-43499

The CVE-2026-43499 issue concerns the Linux kernel rtmutex path where remove_waiter() operated on current during dequeue in rt_mutex_start_proxy_lock() via futex_requeue(). This caused: (1) rbtree dequeue without waiter::task::pi_lock, (2) waiter task pi_blocked_on not cleared (dangling pointer, ...

CVE-2026-43499 rtmutex: Use waiter::task instead of current in remove_waiter()

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in removewaiter removewaiter is used by the slowlock paths, but it is also used for proxy-lock rollback in rtmutexstartproxylock when invoked from futexrequeue. In the latter case...