Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

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

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm: omapdrm: Added a check for the missing allocorderedworkqueue return value. This vulnerability could potentially lead to a NULL pointer being dereferenced, causing issues. Therefore, a check must be added for the return value...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, causing a NULL pointer derefrence in hdmihdcp.c and hdmihpd.c. Patchwork:...

Astra Linux – Vulnerability in Linux 5.10

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, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a slab-use-after-free issue in hdcpwork Why A slab-use-after-free issue was reported when HDCP was destroyed, but the propertyvalidatedwork queue was still running. How The delayed work was canceled when th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: hi311x: fix null pointer dereference when resuming from sleep before the interface was enabled. This issue is similar to the vulnerability in the mcp251x driver, which was fixed in commit 03c427147b2d “can: mcp251x: fix resu...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should only be released after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated...

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: acct: performs the last write operation from the workqueue. In 1, it was reported that the acct2 system call can be used to trigger a NULL derefrence in cases where it is set to write to a file that triggers an internal lookup...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, leading to a NULL pointer dereferencing issue. Patchwork:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netdevsim: use condresched in nsimdevtrapreportwork I am still seeing many syzbot reports hinting that syzbot might fool nsimdevtrapreportwork with hundreds of ports 1 Lets use condresched, and systemunboundwq instead of implicit...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Fixed NULL pointer in flushworkqueue Open /dev/nbdX first; the configrefs will be 1, and the pointers in nbddevice remain null. Disconnect /dev/nbdX, then reference a NULL recvworkq. The protection provided by configrefs ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: Do not reallocate the workqueue every time an interface is added. The commit 09ed8bfc5215 “wilc1000: Rename the workqueue from “WILCwq” to “NETDEV-wq” moved the creation of the workqueue in wilcnetdevifcinit, in...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl4965 – Added a check for the return value of the createsinglethreadworkqueue function. The check is added to prevent NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: io-wq: Fixed a memory leak during worker creation. If the CPU mask allocation for a node fails, the memory allocated for the iowqe structure of the current node does not get freed during error handling, since it has not yet been...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue tasks on CPUs excluded from cpusmask. The following warning was triggered on a large machine during boot time in a distribution kernel; the same issue should also affect the mainline version of the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: stmmac: Clearing the variable when destroying the workqueue Currently, when suspending the driver and stopping the workqueue, it is checked whether workqueue is not NULL. If it is NULL, the workqueue is destroyed. The function...

Astra Linux – Vulnerability in 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 – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Reinjecting transport-mode packets through the 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 22...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Fix the invocation of flushcpuslab and freeslab in the task context. The commit 5a836bf6b09f “mm: slub: Move the invocation of flushcpuslab and freeslab out of the IRQ context” fixes this issue by moving all invocations...