Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Failure in bpftimercancel when the callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls will wait for the other callback to complete executio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fixed a deadlock during uvcprobe If uvcprobe fails, it may end up calling uvcstatusunregister before uvcstatusinit is called. This issue was fixed by checking whether dev-status is NULL during uvcstatusunregister...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mwifiex: The link must be brought down before the interface is deleted. We can encounter a deadlock situation when using rmmod to remove a driver or during firmware reset. This is because the cfg80211unregisterwdev function mu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: cdnsp: Fixed a deadlock issue in cdnspthreadirqhandler. The patch fixes the following critical issue caused by deadlock, which was detected during testing of the NCM class: - smp: csd: A non-responsive CSD lock 1 was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fixed a runtime suspension deadlock that occurred when there was a pending job. The runtime suspension callback drains the running job’s workqueue before suspending the device. If a job is still executing and calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iio: adis16475: Fixed deadlock issues related to frequency setting. With the commit 39c024b51b560 "iio: adis16475: improved handling of sync scale mode", two deadlock situations were introduced: 1 The call to ‘adiswritereg16’...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: For dm-raid456 and md/raid456: A deadlock has been fixed in dm-raid456 when I/O operations are concurrent with the reshape operation. For raid456, if reshape is still in progress, then I/O operations across the reshape positio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Only IB representatives are reloaded when lag is disabled/enabled. When lag is disabled, the bond’s IB device, along with all its representatives, are destroyed. Then, the slaves’ representatives are reloaded. If the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Fixed a potential deadlock in blkiarangesysfsshow When reading a sysfs attribute, the attribute is already protected against removal due to the active reference counter of the kobject node. As a result, in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block layer: Fixed a deadlock between bdlinkdiskholder and partitionscan. The openmutex of gendisk is used to protect the opening and closing of block devices. However, in bdlinkdiskholder, it is used to protect the creation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: trace: fix snapshot deadlock with sbi ecall If the functions in sbiecall.c are traceable, the command: echo "sbiecall:snapshot" /sys/kernel/tracing/setftracefilter can cause the kernel to enter a deadlock. Functions in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: BTRFS: Do not attempt to replace the rwsem on a task that already holds it. By running fstests btrfs/011 with MKFSOPTIONS="-O rst" to force the use of the RAID stripe-tree, we obtain the following error from lockdep: BTRFS inf...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netpoll: Fixed a deadlock in memory allocation under spinlock. A deadlock occurred in the refillskbs function, where memory allocation while holding skbpool-lock could trigger a recursive lock acquisition attempt. This deadlock...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cfg80211: fixed a race condition in the netlink owner interface destruction process. My previous fix to address this issue created a deadlock situation, and there was a race condition where the exact same deadlock could occur...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Drop all currently held locks if a deadlock occurs. If vc4hdmiresetlink returns -EDEADLK, it means that a deadlock has occurred in the locking context. This issue should be addressed by dropping all currently held locks...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hibmcge: fixed the RTNL deadlock issue Currently, the hibmcge netdev acquires the RTNL lock in pcierrorhandlers.resetprepare and releases it in pcierrorhandlers.resetdone. However, in the PCI framework: pciresetbus -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm: vmscan: removed deadlock caused by throttling failing to progress. A soft lockup bug in kcompactd was reported in a private bugzilla. The following messages were observed in dmesg: watchdog: BUG: soft lockup – CPU33 stuck...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/qspinlock: Fixed deadlock in the MCS queue. If an interrupt occurs in queuedspinlockslowpath after we increment qnodesp-count and before node-lock is initialized, another CPU may see stale lock values in gettailqnode. ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fixed a deadlock in mptcppushpending. mptcppushPending may call mptcpFlushJoinList with a subflow socket lock held. If such a call encounters mptcpSockOptSyncAll, then mptcpSockOptSync might attempt to lock the subflow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: In the zone operation, the code must traverse devices under the chunkmutex in btrfscanactivatezone. The btrfscanactivatezone function can be called with the devicelistmutex already held, which could lead to a deadlock. ...