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: usb: gadget: ffs: Fixed null pointer access to epfile after ep enable. A race condition occurs when ffsfuncepsenable runs concurrently with ffsdatareset. The ffsdataclear function called in ffsdatareset sets ffs-epfiles to NULL...

Astra Linux – Vulnerability in Linux, Linux 5.10, Intel-Microcode

Incomplete cleanup of microarchitectural fill buffers on some Intel processors may allow an authenticated user to potentially enable information disclosure via local access...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: A mistake of “one” was corrected in qlaedifappgetstats. The appreply-elem array is allocated earlier in this function, and it contains appreq.numports elements. Therefore, the comparison operator needs to be change...

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

In the Linux kernel, the following vulnerability has been resolved: nbd: Null check for nlaneststart nlaneststart may fail and return NULL. A check should be added, and errno should be set based on other calls within the same source code...

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

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Synchronize devfreqmonitorstart/stop There is a risk that frequent changes to the governor, performed in a loop, may lead to corruption of the timer list. Specifically, the timer cancellation process, which occurs...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: EDAC/i10nm: fixed the refcount leak in pcigetdevwrapper. As stated in the comment for pcigetdomainbusandslot, it returns a PCI device with the refcount incremented. Therefore, there is no need to call an additional pcidevget in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fixed legacy IPOoIB issues due to an incorrect number of queues. The referenced commit creates child PKEY interfaces through netlink, which involve multiple tx and rx queues. However, some devices do not support more th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcantxhandler: fixed the issue where skb was freed after it had been used. The canPUTechoskb function clones a skb and then frees it. This function should be moved directly before the start of the xmit in hardware for...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double calls to brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free a free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace:...

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

In the Linux kernel, the following vulnerability has been resolved: dma-debug: Do not call dmaentryalloccheckleak under freeEntriesLock. dmaEntryallocCheckleak calls into printk, which outputs to the serial console qcom geni. It also acquires port-lock under freeEntriesLock. This involves a rever...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert “block, bfq: honor already-setup queue merges”” A crash occurred in conjunction with the commit 2d52c58b9c9b “block, bfq: honor already-setup queue merges”. This issue was later reverted by the commit ebc69e897e17 “Revert...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed “use-after-free” issue This involves using l2capchanholdunlesszero after calling l2capgetchanblah to prevent the following error: Bluetooth: l2capcore.c: static void l2capchandestroystruct krefkref...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for a potential null return from kmallocarray. Since kmallocarray may return null, the use of 'eventwaitersi.wait' could lead to a null pointer derefrence. Therefore, it is better to check the return value of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the media section, for staging, in media for zoran, the correct buffer size for zoranreapstatcom was calculated incorrectly. When tmpdcim=1 is set, the index of the buffer was miscalculated. This could lead to a NULL pointer...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a sanity check for the file name. The length of the file name should be smaller than the directory entry size...

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

In the Linux kernel, the following vulnerability has been resolved: PCI: switchtec: Fixed a crash occurring after a sudden hot removal of stdevrelease A hot removal of a PCI device can occur while stdev-cdev is still held open. The call to stdevrelease happens during close or exit, well after...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KEYS: Trusted – Fixed a memory leak in tpm2loadcmd. tpm2loadcmd allocates a temporary blob indirectly through tpm2keydecode, but the blob is not freed during failure paths. This issue can be addressed by wrapping the blob with a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: orangefs: The issue with memory leaks in orangefskernel,clientdebuginit was fixed. When the orangefs module is inserted or removed, memory leaks occur as follows: unreferenced object 0xffff88816b0cc000 size 2048: comm "insmod", p...

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: f2fs: fixed to avoid updating zero-sized extents in the extent cache. As reported by syzbot: F2FS-fs loop0: updateextenttreerange: extent length is zero, type: 0, extent 0, 0, 0, age 0, 0. ------------ Cut here ------------ Kerne...

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: btrfs: Stopping the “cleaner” kthread before unmounting the volume causes issues. During the unmount process, at closectree, we first stop the “cleaner” kthread using kthreadstop, which frees the associated taskstruct. However,...