Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: Fixed the issue where f2fswaitonpagewriteback was called in f2fswriterawpages. A BUG will be triggered when writing files concurrently, because the same page may be written back multiple times. The bug occurs at...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: multidev: fix to recognize valid zero block addresses According to Yi Zhang’s report in the mailing list 1, a kernel warning was detected during the zbd/010 test as follows: ./check zbd/010 zbd/010 test for gap zone support...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed the potential use of a null pointer in destroyworkqueue within the error path of initcifs. Dan Carpenter reported a Smack static checker warning: fs/smb/client/cifsfs.c:1981 initcifs Error: We previously assumed th...

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: Nilfs2: Fixed a kernel bug caused by failing to clear the buffer delay flag. Syzbot reported that after Nilfs2 reads a corrupted file system image and becomes read-only, the BUGON check for the buffer delay flag in submitbhwbc ma...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gfs2: Check sbbsizeshift after reading the superblock. Fuzzers often modify sbbsizeshift, but in reality it’s very unlikely that this field would be corrupted on its own. Nevertheless, it should still be checked to avoid potentia...

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

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix for lz4 inplace decompression Currently, EROFS can map another compressed buffer for inplace decompression, which was used to handle cases where some pages of compressed data are not actually in-place I/O. However, lik...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Error checking was added to ext4extreplaysetiblocks. If the call to ext4mapblocks fails due to a corrupted file system, ext4extreplaysetiblocks may get stuck in an infinite loop. This issue can be reproduced by running...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Added bounds checking in getmaxinlinexattrvaluesize. Normally, extended attributes within the inode body would be checked when the inode was first opened. However, if someone writes to the block device while the file system...

Astra Linux – Vulnerability in Chromium

The use of after-free in FileSystem in Google Chrome before version 147.0.7727.101 allowed a remote attacker to potentially exploit object corruption through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in grub2

A stack overflow flaw was discovered while reading a BFS file system. A specially crafted BFS file system may lead to an uncontrolled loop, causing grub2 to crash...

Astra Linux – Vulnerability in grub2

An integer overflow flaw was discovered in the BFS file system driver within grub2. When reading a file using an indirect extent map, grub2 fails to validate the number of extent entries to be read. A maliciously crafted or corrupted BFS file system may cause an integer overflow during file...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: isofs: Fixed out-of-bound access for corrupted isofs images. When an isofs image is corrupted, isofsread inode can read data beyond the end of the buffer. It is necessary to sanity-check the length of the directory entry befor...

Astra Linux – Vulnerability in docker.io-app

Moby is an open-source container framework. In Docker Engine prior to version 29.5.1, Docker Daemon versions 28.5.2 and earlier, and Moby Daemon prior to version 2.0.0-beta.14, a race condition during the docker cp mount setup allowed a malicious container to create empty files or directories at...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: flush inode if atomic file is aborted Let's flush the inode being aborted atomic operation to avoid stale dirty inode during eviction in this call stack: f2fsmarkinodedirtysync+0x22/0x40 f2fs f2fsabortatomicwrite+0xc4/0xf0...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: minix: Required sanity checking was added to minixchecksuperblock. The fs/minix implementation of the minix file system currently does not support any value for slogzonesize other than 0. This is also the only value supported in...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to not dirty the inode for a read-only filesystem. The syzbot reports the f2fs bug as follows: Kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fsevict inode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x6...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue where preallocated blocks were truncated in f2fsfileopen. Chenyuwen has reported the following f2fs bugs: Unable to handle a NULL pointer dereferencing at the virtual address 0000000000000011...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: avoided the bugon in jbd2journalgetcreateaccess when the file system is corrupted. The issue occurs when the file system is corrupted: ------------ cut here ------------ Kernel BUG at fs/jbd2/transaction.c:1289! Oops:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Reject mounting if bigalloc with sfirstdatablock != 0. bigalloc with sfirstdatablock != 0 is not supported; mounting will be rejected...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: erofs: Proper handling of overlapping pclusters from crafted images. syzbot reported a task hanging issue due to a deadlock situation where it was waiting for the folio lock of a cached folio that would be used for cache I/Os...