UBUNTU-CVE-2026-64214

In the Linux kernel, the following vulnerability has been resolved: powerpc/time: Remove redundant preemptdisable|enable calls from archirqworkraise A kernel panic is observed when handling machine check exceptions from real mode. BUG: Unable to handle kernel data access on read at...

CVE-2026-64214

In the Linux kernel, the following vulnerability has been resolved: powerpc/time: Remove redundant preemptdisable|enable calls from archirqworkraise A kernel panic is observed when handling machine check exceptions from real mode. BUG: Unable to handle kernel data access on read at...

CVE-2026-64214 powerpc/time: Remove redundant preempt_disable|enable() calls from arch_irq_work_raise()

In the Linux kernel, the following vulnerability has been resolved: powerpc/time: Remove redundant preemptdisable|enable calls from archirqworkraise A kernel panic is observed when handling machine check exceptions from real mode. BUG: Unable to handle kernel data access on read at...

CVE-2026-53260

In the Linux kernel, the following vulnerability has been resolved: tcp: Add preemptdisable,enablenested in reqskqueuehashreq. syzbot reported a weird reqsk-rskrefcnt underflow in inetcskreqskqueuedrop. The captured reqskput in inetcskreqskqueuedrop is called only when it successfully removes req...

CVE-2026-53260 tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req().

In the Linux kernel, the following vulnerability has been resolved: tcp: Add preemptdisable,enablenested in reqskqueuehashreq. syzbot reported a weird reqsk-rskrefcnt underflow in inetcskreqskqueuedrop. The captured reqskput in inetcskreqskqueuedrop is called only when it successfully removes req...

SUSE CVE-2025-39900

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...