Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: PM: hibernate: Avoid deadlock in hibernatecompressorparamset syzbot reported a deadlock in locksystemsleep see below. The write operation to "/sys/module/hibernate/parameters/compressor" conflicts with the registration of the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: rhashtable: A potential deadlock was fixed by moving the schedulework outside of the lock. The check for hash table growth and work scheduling were moved outside of the rht lock to prevent a possible circular locking dependency...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/erofs/fileio: Call erofsonlinefoliosplit after bioaddfolio If bioaddfolio fails because it is full, erofsfileioscanfolio needs to submit the I/O request via erofsfileiorqsubmit and allocate a new I/O request with an empty stru...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix cryptofreeacomp deadlock in zswapcpucompdead Currently, zswapcpucompdead calls cryptofreeacomp while holding the per-CPU acompctx mutex. cryptofreeacomp then holds the scomplock through cryptoexitscompopsasync. On...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fixed a deadlock in ivpumscleanup. The deadlock was resolved by preventing runtime resumption after filepriv-mslock is acquired. During a failure in runtime resumption, a cold boot is executed, which calls...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a deadlock between rcutaskstrace and eventmutex. Fixed the following deadlock: - CPU A: - freeevent - perfkprobedestroy - mutexlock&eventmutex - perfTraceEventUnreg - synchronizercutaskstrace There are several paths...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: fmidi: fmidicomplete calling queuework When using USB MIDI, a lock attempt is made twice through a reentrant call to fmiditransmit, resulting in a deadlock. The issue is fixed by using queuework to schedule the inner...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: vlan: do not propagate flags on open With the device instance lock, there is now a possibility of a deadlock: 1.211455=========================================== 1.211571WARNING: possible recursive locking detected...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: cadence: macb: Fixed a possible deadlock in macbhalttx. There is a situation where, after THALT is set to a high value, TGO also remains high. Since jiffies are never updated, and we are in a context with interrupts disabled...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: pcigeneric: Use pcitryresetfunction to avoid deadlock. There are multiple places where the recovery work is scheduled asynchronously. Additionally, there are multiple places where the caller waits synchronously fo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: The value of sccount is decreased directly if the dlrecall queue operation fails. A deadlock warning occurred when invoking nfs4putstid after a failed dlrecall queue operation: T1 T2 nfs4laundromat nfs4getclientreaplist...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The commit bc235cdb423a “bpf: Prevent deadlock from recursive bpftaskstorageget|delete” first introduced deadlock prevention for fentry/fexit programs attaching to bpftaskstorage...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pdr: Fixed the potential deadlock issue. When some client process A calls pdraddlookup to add a lookup for the service and performs scheduling-related tasks, another process B receives a new server packet indicating th...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: Unnecessary driverlock has been removed from the setboost function. setboost is a function call per policy; therefore, a driver-wide lock is unnecessary. Additionally, this mutexacquire operation may conflict...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

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 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Prevent copying of nlink with a value of 0 from the disk inode. syzbot reported a deadlock in diFree. 1 When calling “ioctl$LOOPSETSTATUS64”, the offset value passed in is 4, which does not match the mounted loop device...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: NFS: fixed nfsreleasefolio to prevent deadlock caused by kcompactd writeback. Added the PFKCOMPACTD flag and the currentiskcompactd helper to check for this issue, so that nfsreleasefolio can skip calling nfswbfolio from...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: PCI: pciehp: Avoid unnecessary device replacement checks The hot removal of nested PCI hotplug ports involves a long-standing race condition that can lead to a deadlock. A parent hotplug port acquires pcilockrescanremove, then...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: accel/ivpu: Fixed the locking order in ivpujobsubmit. Fixed deadlocks in job submission and abort handling. When a thread aborts currently executing jobs due to a fault, it first locks the global lock that protects submittedjo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Deadlock issue fixed This patch introduces the ucsiconmutexlock and ucsiconmutexunlock functions in the UCSI driver. The ucsiconmutexlock function ensures that the connector mutex is only locked if ...