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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Remove WQMEMRECLAIM from storvscerrorwq The storvscerrorwq workqueue should not be marked as WQMEMRECLAIM, as it does not need to retain the status of forward progress under memory pressure. Marking this workqueue ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fixed a UAF issue in f2fsinodeinfo in f2fsfreedic. The decompressioctx may be released asynchronously after I/O completion. If this file is deleted immediately after reading, and the kworker responsible for...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iavf: Error handling in iavfinitmodule has been fixed. The iavfinitmodule no longer destroys the workqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to prevent resource leaks. This...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: microchip: sparx5: Fixed a potential null-ptr-deref in sparxstatsinit and sparx5start. sparxstatsinit calls createsinglethreadworkqueue, without checking the return value; this may result in NULL being returned. A...

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: KVM: Always flush the async PF workqueue when a vCPU is being destroyed. Whenever a vCPU clears its completion queue, i.e., when a VM and all its vCPUs are being destroyed, the async PF workqueue must always be flushed. KVM must...

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

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fixed potential corruption of the workqueue. In some cases, when running with the test-wwmutex code, I observed odd behaviors where it seemed that flushworkqueue was returned before all work threads had...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always drain health during the shutdown callback. There is no point in performing recovery operations during device shutdown. If health-related tasks are initiated, one must wait until they are completed to avoid race...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: Do not destroy the workqueue from work items running on it. This issue was triggered by a decrease in the value of kref. The destroyworkqueue function might be called from within a work item to destroy its own...

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

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Do not wait in vain when unloading the module. There is a race condition in the module exit path, where both deleting all controllers and freeing the “leftover IDs” occur simultaneously. To prevent double-freeing, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fixed the issue where the workqueue was not released upon calling .release. The workqueue associated with a DSA/IAA device is not released when the object is freed...

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

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port-lock when calling uarthandlectschange The uarthandlectschange function must be called with the port locked. Since we execute it in a separate process, the lock might not be taken at the time of executio...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fixed the warning in workqueue.c: checkFlushDependency In the commit aee2424246f9 “RDMA/iwcm: Fixed a use-after-free issue related to destroying CM IDs”, the function flushworkqueue was called to flush the iwcmwq work...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 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 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 found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: Check INITFAILED before calling nvmetrequninit in the digest error path. In nvmettcptryrecvddgst, when a data digest mismatch is detected, nvmetrequninit is called unconditionally. However, if the command originates fr...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs: quota: creating a dedicated workqueue for quotareleasework There is a kernel panic due to WARNONCE when paniconwarn is set. This issue occurs when writeback is triggered due to a sync call for an opened file i.e., the reason...