CVE-2026-53326

The CVE-2026-53326 issue affects the Linux kernel (debugobjects) on ARM64 PREEMPT_RT builds during early boot. The root cause was attempting to fill a pool within hardirq context before the scheduler is enabled, potentially causing a deadlock when a hard interrupt hits a lock-protected allocation...

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

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: soc/tegra: pmc: Fixed the unsafe generichandleirq call Currently, when resuming from system suspension on Tegra platforms, the following warning is observed: WARNING: CPU: 0 PID: 14459 at kernel/irq/irqdesc.c:666 Call trace:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: idpf: fixed the PREEMPTRT raw/bh spinlock nesting issue for async VC handling The code has been changed to use a local lock instead of the raw spinlock provided by the completion structure in the idpfvcxn struct. This conversion ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT. In PREEMPTRT, kmallocGFPATOMIC is still not safe in non-preemptible contexts. Therefore, bpfmemalloc must be used in PREEMPTRT. This patch aims to enforce the use of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Marking hrtimers to expire in hard interrupt context Similar to commits 2c0d278f3293f “KVM: LAPIC: Marking hrtimers to expire in hard interrupt context” and 9090825fa9974 “KVM: arm/arm64: Letting timers expire in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: veth: The XDP function has been modified to reduce the time spent on the nodirect return section, thereby fixing a race condition. As explained in the commit fa349e396e48 “veth: Fixed a race condition involving AFXDP, which expos...

CVE-2026-46099

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels seg6inputcore and rplinput call ip6routeinput which sets a NOREF dst on the skb, then pass it to dstcachesetip6 invoking dsthold unconditionally. On PREEMPTRT, ksoftirqd is...

EUVD-2026-32412

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Reinstate disabling of BHs around IRQ handler If the driver executes ks8851irq AND a TX packet has been sent, then the driver enables TX queue via netifwakequeue which schedules TX softirq to queue packets for this...

PT-2026-43898

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the ks8851 driver when the ks8851 irq function is executed. If a TX packet has been sent, the driver enables the TX queue via netif wake queue, which schedules a TX...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a race condition in cpumap on PREEMPTRT kernels. On PREEMPTRT kernels, the per-CPU xdpbulkqueue can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes that bqenqueue an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Disabling bottom softirqs as part of spinlockirq on PREEMPTRT sndpcmgrouplockirq acquires a spinlockt and disables interrupts via spinlockirq. This also implicitly disables the handling of softirqs such as TIMERSOFTIRQ...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: rcutorture: Fixed the rcutortureoneextendcheck function in RT kernels. For kernels built with CONFIGPREEMPTRT=y, running the rcutorture tests resulted in the following errors: 68.797425 rcutortureoneextendcheck: Current value: 0x...

CVE-2026-43475

A flaw was found in the Linux kernel's hvstorvsc component. When the kernel is configured with PREEMPTRT Real-Time Preemption and running on a Hyper-V virtual machine, a local process performing specific I/O operations can trigger a concurrency issue. This can lead to a system lock-up or crash,...

CVE-2026-43475

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix scheduling while atomic on PREEMPTRT This resolves the follow splat and lock-up when running with PREEMPTRT enabled on Hyper-V: 415.140818 BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002 415.14082...

CVE-2026-43475

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix scheduling while atomic on PREEMPTRT This resolves the follow splat and lock-up when running with PREEMPTRT enabled on Hyper-V: 415.140818 BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002 415.14082...

CVE-2026-43475

CVE-2026-43475 affects the Linux kernel hv_storvsc driver when PREEMPT_RT is enabled on Hyper-V. The issue stems from scheduling while atomic in storvsc_queuecommand, which could lead to a lock-up under certain I/O loads (as reported in the vulnerability description and kernel traces). A fix has ...

CVE-2026-43475 scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix scheduling while atomic on PREEMPTRT This resolves the follow splat and lock-up when running with PREEMPTRT enabled on Hyper-V: 415.140818 BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002 415.14082...

CVE-2026-43475

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix scheduling while atomic on PREEMPTRT This resolves the follow splat and lock-up when running with PREEMPTRT enabled on Hyper-V: 415.140818 BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002 415.14082...