CVE-2026-98723

The Linux kernel contains a vulnerability in the nvmet subsystem where the hostid is incorrectly copied into the controller. Due to a sequence error in the nvmet_alloc_ctrl() implementation, nvmet_ctrl_init_pr() snapshots a nil UUID into per-controller per-namespace reservation references because...

EUVD-2026-103977

In the Linux kernel, the following vulnerability has been resolved: nvmet: copy the hostid into the ctrl before creating PR pcrefs Commit 6202783184bf "nvmet: Improve nvmetallocctrl interface and implementation" added a second uuidcopy of args-hostid near the end of nvmetallocctrl, and commit...

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 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 using trampolines for them, a panic occurs as follows: 867.843050 BUG: Th...

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 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 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 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 – 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 the queue is empty. Originally, with strict order execution, execution could only be completed when the queue was empty. Preempt-to-busy allows for the replacement of an active request...

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:...

PT-2026-104916

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix quota init duplicate scan gfs2 quota init checks for duplicate quota change IDs while holding qd lock and the quota hash bucket bitlock. That path used gfs2 qd search bucket, which takes a lockref reference via lockref...

PT-2026-98140

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the gfs2 module where the gfs2 quota init function checks for duplicate quota change IDs while holding the qd lock and the quota hash bucket bitlock. This process...

SUSE 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...

PT-2026-94556

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Samsung PWM timer used as a clock source on legacy systems. When PREEMPT RT a real-time patch for the Linux kernel is enabled on ARM architectures, regular spinloc...

PT-2026-94541

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A self-deadlock occurs in the IRQ handler of the qcom-cpucp mailbox. The function qcom cpucp mbox irq fn calls mbox chan received data while holding chan-lock. In PREEMPT RT...

PT-2026-94540

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the qcom cpucp mbox send data function when it is invoked via the mailbox clear channel function under PREEMPT RT. The issue arises because mailbox...

PT-2026-94652

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ARM architecture implementation where interrupts may remain disabled when unhandled user faults are triggered. This occurs when do DataAbort or do PrefetchAbort...

PT-2026-94653

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ARM architecture implementation where enabling PREEMPT RT Real-Time preemptibility without selecting HAVE POSIX CPU TIMERS TASK WORK causes CPU timers to expire in...

AZL-101619 CVE-2026-89902 affecting package kernel for versions less than 6.6.157.1-1

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...