CVE-2026-89902

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

DEBIAN-CVE-2026-89902

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

AZL-101619 CVE-2026-89902 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

CVE-2026-89902 LoongArch: Avoid preempt count underflow without probe

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

CVE-2026-89902

This Linux kernel vulnerability affects the LoongArch kprobe subsystem. Because LoongArch uses break 11 for kprobe breakpoints, an ordinary userspace breakpoint can reach kprobe_singlestep_handler() with no active probe. The handler calls preempt_enable_no_resched() before checking for a probe, c...

CVE-2026-89902 LoongArch: Avoid preempt count underflow without probe

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

EUVD-2026-80502

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

Linux Distros Unpatched Vulnerability : CVE-2026-89902

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line...

CVE-2026-89902: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: rcu: Dump vmalloc memory info safely Currently, for double invoke callrcu, the memory information of rcuhead objects will be dumped. If these objects are not allocated from the slab allocator, vmallocdumpobj will be invoked, a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix multiple LUNRESET handling This fix addresses a bug where the initiator assumes that a LUNRESET has cleaned up running commands, when in fact it hasn’t. The bug was introduced in commit 51ec502a3266 “target:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Do not decrement the preempt count of the idle task when the CPU is offline. With PREEMPTCOUNT=y, when a CPU is offline and then brought back online, we encounter the following issue: BUG: Scheduling while atomic:...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: Firmware: armsdei: Fixed a bug where sleep operations occurred from an invalid context. Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra Triggers: - Bug: Sleeping function called from an invalid context at...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Added preemptcountsub,add to the btf id deny list. The recursion checks in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When attaching a trampoline to them, a panic occurs as follows: 867.843050 BUG...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: smc91x: fixed a broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following error occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: The workqueu...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: PPC: Fixed the issue with the vcpuload leak in kvmarchvcpuioctl. The vcpuput function is not called if the user copy fails. This can lead to problems such as corruption of the preempt notifier and system crashes...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: clocksource: Use migratedisable to avoid calling getrandomu32 in an atomic context. The following bug report occurred with the PREEMPTRT kernel: - Bug: A sleeping function was called from an invalid context at...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Resets queuepriorityhint when parking Originally, with strict order execution, we could only complete execution when the queue was empty. Preempt-to-busy allows for replacing an active request that may complete befor...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: kcsan: Turning reportfilterlistlock into a rawspinlock Ran Xiaokai reported that with a KCSAN-enabled PREEMPTRT kernel, we can observe such issues as follows: | BUG: Sleeping function called from invalid context at...