Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: block/rqqos: Protect the rqqos API with a new lock. The commit number is 50e34d78815e “block: disable the elevator int delgendisk”. The function rqqosexit was moved from diskrelease to delgendisk. This may introduce some issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a regression issue related to native SMB symbolic links. Some users and customers reported that their backup/copy tools began to fail when the directory being copied contained symbolic link targets that the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the block layer, care should be taken when checking for NULL bdev during polling. Wei reported a crash in an application that uses polled I/O: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Octeontx2-af: Added proper checks for fwdata. Firmware populates the MAC address, link modes supported, advertised, and EEPROM data in the shared firmware structure. Kernel access is allowed via the MAC block CGX/RPM. Accessin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Avoid data corruption on cq descriptor number Since commit 30f241fcf52a “xsk: Fix immature cq descriptor production”, the descriptor number is stored in the skb control block, and xskcqsubmitaddrlocked relies on it to place...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drbd: Only clone the bio if there is a backing device available. The commit c347a787e34cb drbd: changed -bibdev to -bibdev in drbdreqnew moved the biosetdev call which has since been removed to an earlier stage, from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i2c: rtl9300: Fixed an out-of-bounds bug in rtl9300i2csmbusxfer The data-block0 variable comes from the user input. Without proper checks, this variable can become very large, leading to an out-of-bounds error. This bug has be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed the directory separator in SMB1 UNIX mounts. When calling cifsmountgettcon with SMB1 UNIX mounts, @cifssb-mntcifsflags needs to be read or updated only after calling resetcifsunixcaps. Otherwise, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Handle wraparound when searching for blocks for indirectly mapped blocks The commit 4865c768b563 states that “ext4: Always allocate blocks only from groups that inode can use” restricts the blocks that will be allocated for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: Fixed an error of dividing by zero when the “wsum” is zero. When the weighted sum is zero, calculating the limit causes a division by zero error. This issue has been fixed by proceeding to the next level of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Revert “f2fs: block cache/dio write during f2fsenablecheckpoint”. This revert commits 196c81fdd438f7ac429d5639090a9816abb9760a. The original patch might cause a deadlock; revert it. write remount - writebegin - lockpage --- lock ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md: Fixed an issue with warnings for holder mismatch in exportrdev. The commit a1d767191096 “md: Use mddev-external to select holder in exportrdev” fixes the problem where ‘claimrdev’ is used for blkdevgetbydev, while ‘rdev’ i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a null pointer panic in the tracepoint of replaceatomicwriteblock. A kernel panic occurs when oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: Null pointer dereferencing in the kernel; address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fixed a memory leak when the block address of a non-inlined pcluster is zero. Syzkaller reported a memory leak: https://syzkaller.appspot.com/bug?id=62f37ff612f0021641eda5b17f056f1668aa9aed Unreferenced object...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: When performing a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since changing the block size also affects the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: tps53679 Fixed array access with zero-length block reads. i2csmbusreadblockdata can return 0, indicating a zero-length read. When this occurs, tps53679identifychip accesses bufret - 1, which is actually buf-1. This mean...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed by removing the unnecessary f2fsbugon function to avoid panics. The verifyblkaddr function will trigger a panic once we introduce a fault into f2fsisvalidblkaddr; this unnecessary f2fsbugon function has been remove...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Check outstanding simultaneous SMB operations If a client sends multiple SMB requests to ksmbd, it may exhaust too much memory through the “ksmbdworkcache”. This can lead to an Out-of-Memory error OOM. ksmbd has a credit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/bios: fixed a memory leak in generatelfpdataptrs When size != 0 || ptrs-lvdsentries != 3, the program attempts to use free on ptrs. However, ptrs is not created by calling kzmalloc; instead, it is obtained through a...