Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Use hdev-workqueue when scheduling hdev-cmd,ncmdtimer works. syzbot reports that an attempt is made to schedule hdev-cmdwork from systemwq to hdev-workqueue WQ, which is currently in a draining operation 1. Commit...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue, and the return value is not checked. This may result in a NULL return value. A null-ptr-deref could occur as a result: starttask...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: tegra: fix sleep in atomic call When we set the dual-role port to Host mode, we observed the following issues: - Splat: 167.057718 BUG: Sleeping function called from invalid context at include/linux/sched/mm.h:229...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: A possible memory leak has been fixed in stmmacdvrprobe. The bitmapfree function should be called to release priv-afxdpzcqps when createsinglethreadworkqueue fails. Otherwise, a memory leak will occur. Therefore, we...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fixed an oops error when removing custom query handlers. When removing custom query handlers, the handler may still be used within the EC query workqueue. This could lead to a kernel oops if the module that holds the...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: fix flushcpuslab/freeslab invocations in task context. Commit 5a836bf6b09f "mm: slub: move flushcpuslab invocations freeslab invocations out of IRQ context" moved all flushcpuslab invocations to the global workqueue to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Nouveau: The offload fence uevents function is now processed via the workqueue. This should prevent a deadlock between the fctx lock and the irq lock. The processing of uevents is offloaded from the irq to the workqueue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: A deadlock occurs when the svm range restore operation is performed at process exit. The code kfdprocessnotifierrelease flushes svmrangerestorework, which in turn calls svmrangelistlockandflushwork to flush...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: lan966x: Fixed a potential nullptrderef in lan966xstatsinit. lan966xstatsinit calls createsinglethreadworkqueue, without checking the return value. This may result in NULL being returned. A nullptrderef could occur:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed error handling in enainit. The enainit function no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the null-ptr-deref issue in ibcorecleanup. KASAN reported a null-ptr-deref error: KASAN: Null pointer dereferencing in the range 0x0000000000000118–0x000000000000011f. CPU: 1; PID: 379. Hardware name: QEMU Standa...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl3945: Added a check for the return value of createsinglethreadworkqueue to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Do not use the WQMEMRECLAIM flag for the workqueue. The issue was reported by a customer during SRIOV testing. When both the i40e and i40iw drivers are loaded, a warning is triggered in the checkFlushDependency function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ixgbevf: Fixed a resource leak in ixgbevfinitmodule. ixgbevfinitmodule no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Added destroyworkqueue in the failure path to prevent...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: tpmvtpmproxy: fixed a race condition in the creation of /dev/vtpmx. The /dev/vtpmx becomes visible before ‘workqueue’ is initialized, which can lead to memory corruption in the worst-case scenario. This issue is addressed by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: workqueue: fixed a data race with the pwq-stats increment KCSAN has identified a data race in kernel/workqueue.c:2598: 1863.554079 ================================================================== 1863.554118 BUG: KCSAN: data-ra...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: The null-ptr-deref issue in vkmsrelease has been fixed. A null-ptr-deref occurs when trying to destroy the workqueue in vkms-output.composerworkq during vkmsrelease. KASAN: Null-ptr-deref occurred in the range...

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

In the Linux kernel, the following vulnerability has been resolved: hid: cp2112: Fix duplicate workqueue initialization Previously, the cp2112 driver called INITDELAYEDWORK within cp2112 gpioirqstartup, resulting in duplicate initializations of the workqueue during subsequent IRQ starts after an...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: Reinject transport-mode packets through workqueue The following warning is displayed when the tcp6-multi-diffip11 stress test case of the LTP test suite is tested: watchdog: BUG: soft lockup - CPU0 stuck for 22s!...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Fix the UaF issue in listener shutdown According to Christoph’s report after refactoring the passive socket initialization, the mptcp listener shutdown path is vulnerable to a UaF issue. BUG: KASAN: Use-after-free in...