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 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 vulnerabilities have been resolved: mac80211: Fixed a deadlock issue in AP/VLAN handling. Syzbot reports that when APVLAN interfaces are active, closing the AP interface they belong to can lead to a deadlock. This isn’t surprising—since we use devclose to handle...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a deadlock between the devlink lock and esw-wq. esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler acquires the devlink lock. .eswitchmodeset acquires the devlink lock in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: ufs: core: mcq: Fix for the deadlock issue caused by &hwq-cqlock When the ufscdhandler function is executed, the CQ event interrupt may enter a waiting state for the same lock. This can occur in ufscdhandlemcqcqevents an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-qspi: Remove system-wide suspend helper calls from runtime PM hooks. The -runtimesuspend and -runtimeresume callbacks are not expected to call spicontrollersuspend and spicontrollerresume. Remove these calls from the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - usb: dwc2: gadget: Fixed the mismatch between spinlock and unlock calls in dwc2hsotgudcstop. - dwc2gadgetexitclockgating: Internally calls the callgadget macro, which expects hsotg-lock to be held since it performs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fixed a deadlock in the soft reset sequence. The soft reset sequence is currently executed from the threaded IRQ handler. Therefore, it cannot call disableirq because it internally waits for the IRQ handlers—i.e....

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a potential deadlock in CPU hotplug with osnoise. The following sequence may lead to a deadlock in CPU hotplug: task1 task2 task3 ----- ----- ----- The code sequence is as follows: mutexlock&interfacelock CPU GOING...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - xfs: scrub: Unlock dquot before an early return in quota scrub. - xchkquotaitem: Can return early after calling xchkfblockprocesserror. If this helper returns false, the function returns immediately without dropping dq-qqloc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a deadlock issue during reading mqd from debugfs An erroneous disk backup on my desktop entered the debugfs directory, triggering the following deadlock scenario in the amdgpu debugfs files. The machine also...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drivers: staging: rtl8723bs: Fixed locking issues in rtwjointimeouthandler. The commit number 041879b12ddb states: “drivers: staging: rtl8192bs: Fixed deadlock in rtwjoinbsseventprehandle. In addition, rtwjointimeouthandler wa...

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, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clkgetrate during transfer Instead of repeatedly calling clkgetrate for each transfer, lock the clock rate and cache the value. A deadlock was observed when adding the tlv320aic32x4 audio codec to the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

Closing an event channel in the Linux kernel can lead to a deadlock. This occurs when the closure operation is performed in parallel with an unrelated Xen console action, and the handling of a Xen console interrupt occurs in a unprivileged guest. The closure of an event channel is triggered, for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Only use reserved BCS instances for the usmmigrateexecqueue. The GuC context scheduling queue contains 2 entries. Therefore, it is possible for a migration job to get stuck behind a fault if the migrateexecqueue shares...

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: erofs: Proper handling of overlapping pclusters from crafted images. syzbot reported a task hanging issue due to a deadlock situation where it was waiting for the folio lock of a cached folio that would be used for cache I/Os...

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, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: The return error code in mdp5mixerrelease is incorrect when a deadlock is detected. There is a possibility that mdp5getglobalstate may return-EDEADLK when acquiring the modeset lock. However, currently,...