Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dwhdmi: fixed connector access for scdc The commit 5d844091f237 “drm/scdc-helper: Pimp SCDC debugs” changed the scdc interface to retrieve an i2c adapter from a connector. However, in the case of dwhdmi, the wrong...

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

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fixed a possible NULL pointer dereferencing in sendacknowledge This issue involves handling memory allocation failures caused by nciskballoc, which calls allocskb. This fix prevents possible NULL pointer dereferences...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an incorrect match in devargsmatchdevice. Syzkaller discovered a failed assertion: “Assertion failed: args-devid != u64-1 || args-missing”, in fs/btrfs/volumes.c:6921. This issue can occur when we set devid to u64-1...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Check whether a station exists first in the client probe. When probing a client, first check whether a station exists, and then check the channel context. Otherwise, a warning can easily be triggered by probing wh...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx4en: A use-after-free bug has been fixed in mlx4entryallocresources. In mlx4entryallocresources, mlx4encopypriv is called, and tmp-txcq will be freed during the error path of mlx4encopypriv. After that, mlx4enallocresource...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/mprotect: Only reference swappfn is called if the type matches. Yu Zhao reported a bug after the commit “mm/swap: Add swpoffsetpfn to fetch PFN from swap entries” added a check in swpoffsetpfn for the swap type 1: Kernel bug a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: stm32-csi: The dereference operation was corrected before the NULL check. In stm32csistart, the variable csidev-ssubdev is dereferenced directly when assigning a value to srcpad. However, the same value is then checked...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Open-coded GGTT MMIO access protection. GGTT MMIO access is currently protected by hotplug drmdeventer, which works correctly when the driver loads successfully and is later unbound or unloaded. However, if the driver loa...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Don’t spin in addstackrecord when gfp flags don’t allow. The syzbot tool was able to identify the following functions: addstackrecordtolist in mm/pageowner.c:182 inline incstackrecordcount in mm/pageowner.c:214 inline...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: corrected incorrect kunmap when using LZMA on HIGHMEM platforms As shown in the call trace, the root cause is incorrect pages handled by kunmap: BUG: Kernel NULL pointer dereferencing, address: 00000000 CPU: 1 PID: 40 Comm...

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

In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount It is necessary to ensure that the value of the block size recorded in the superblock is valid. Otherwise, the shift operation used to calculate the block size may overflow, resulting ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: alienware-wmi-wmax: Fixed the dmisystemid array. Added a missing empty member to awccdmitable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fsdax: Force the dirty mark to be cleared if CoW is used XFS allows CoW on non-shared extents to combat fragmentation1. The old non-shared extent can be rewritten before use; its dax entry is marked as “dirty”. This results in a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the xid leak in cifscreate If the cifs function has already been shut down, we should release the xid before returning it; otherwise, the xid will be leaked...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Resetting connections when trying to use SMCRv2 fails. We identified a crash when using SMCRv2 with 2 Mellanox ConnectX-4 devices. This issue can be reproduced by running the following commands: - smcrun nginx - smcru...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: systemport: Added global locking for the descriptor lifecycle. The descriptor list is a shared resource across all transmit queues. The locking mechanism currently used only protects concurrency within a given transmit queue...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: mma8452: Fixed the issue with triggering references. The mma8452 driver directly assigns a trigger to the struct iiodev. When the IIO core uses this trigger, it calls iiotriggerput to decrement the reference count by 1...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/sti: The return type of stidvo,hda,hdmiconnectormodevalid has been corrected. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: Fixed the issue of unregistering framebuffers without a device. Framebuffers in OF do not have a underlying device in the Linux device hierarchy. Instead of hot-unplugging such non-existent devices, a regular unregister...

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

In the Linux kernel, the following vulnerability has been resolved: pstore/platform: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...