Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: A hang issue has been fixed in nvmettcplistendataready. When the socket is closed while in the TCPLISTEN state, a callback is executed to flush all outstanding packets. This execution then calls nvmettcplistendataready...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock. The blkmqadd,delqueuetagset functions add and remove queues from the tagset. These functions ensure that the tagset and queues are marked as shared when two or...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: “PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV” This issue is addressed by committing 05703271c3cd “PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV”. This commit causes a deadlock by...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: spi: spidev: fixed the lock inversion between spilock and buflock. The spidev driver previously used two mutexes, spilock and buflock, but their acquisition was done in different orders depending on the code path: - write/read:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: schedext: A potential deadlock has been fixed in deferredirqworkfn. For PREEMPTRT=y kernels, deferredirqworkfn is executed in the per-cpu irqwork/ task context, and not in disable-irq. If the rq returned by containerof is the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid deadlock on fallback while reinjecting Jakub reported a MPTCP deadlock during the fallback process: WARNING: Possible recursive locking detected 6.18.0-rc7-virtme 1 Not tainted...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-af: Workarounds for stalls caused by disabling sticky operations. It is known that the sticky mode of the NIX SQ manager can cause stalls when multiple SQs share an SMQ and transmit concurrently. Additionally, PSE ma...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a deadlock in waitcurrenttrans due to an ignored transaction type When waitcurrenttrans is called during starttransaction, it currently waits for a blocked transaction without considering whether the given transactio...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: flexproportions: making fpropnewperiod safe from hardirq issues. Bernd reported a deadlock issue in the flexible proportions code, which essentially complained about the following race conditions: runtimersoftirq – we’re in a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/vgem-fence: Fixed potential deadlock issues upon release. A timer that automatically releases a vgem fence after 10 seconds is now implemented. This is achieved by calling timerdeletesync from fence-ops.release, which is...

PT-2026-51931

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the usbhid module when handling USB devices that combine a HID component with a storage or UAS component. Because these components must be reset together, the...

PT-2026-51994

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the mt76 wireless driver during remain-on-channel operations. The functions mt76 remain on channel and mt76 roc complete call mt76 set channel while already holding...

PT-2026-51997

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential deadlock exists in the mt7925 roc abort sync function within the mt76 wireless driver. The issue occurs when roc abort sync invokes cancel work sync, which waits for roc work...

PT-2026-52016

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the btrfs file system when the flushoncommit mount option is used. The issue arises during a reflink operation that copies an inline extent to an offset beyond th...

PT-2026-52017

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur during a raid456 reshape process. Direct IO across the reshape position may sleep in the raid5 make request function while waiting for reshape progress and holding a...

PT-2026-51995

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential deadlock exists in the mt7921 roc abort sync function within the mt76 wireless driver. The issue occurs when roc abort sync calls cancel work sync, which waits for roc work t...

PT-2026-51979

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free flaw exists in the Berkeley Packet Filter BPF subsystem. The task vma iterator reads task-mm locklessly and acquires mmap read trylock without calling mmget. If a task...

PT-2026-52000

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the Linux kernel when deleting local storage within a Non-Maskable Interrupt NMI or reentrant context. This happens when freeing storage elements through kfree rc...

PT-2026-52019

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the Linux kernel when the value "clear" is written to the array state variable. The md attr store function breaks sysfs active protection to allow an array to delete...

PT-2026-51929

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the Linux kernel within the bpf and sockmap components. The issue arises when the bpf iter unix seq show function is executed and lock sock fast takes the fast pa...