Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Fixed a kernel bug related to the rename operation on broken directories. Syzbot reported that in the rename operation on broken directories in Nilfs2, the blockwritebeginint function called to prepare block writing may...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Propagating directory read errors from nilfsfindentry. Syzbot reported that a task hang occurs in vcsopen during a fuzzing test for nilfs2. The root cause of this problem is that in nilfsfindentry, which searches for...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Rejects invalid file types when reading inodes. To prevent inodes with invalid file types from causing malfunctions or assertion failures, a missing sanity check should be added when reading an inode from a block device. ...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixing inode number range checks The patch series “nilfs2: Fixing potential issues related to reserved inodes” addresses one use-after-free issue reported by syzbot. This issue arises due to the internal inode of nilfs...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a potential bug in endbufferasyncwrite According to a syzbot report, endbufferasyncwrite, which handles the completion of block device writes, may detect abnormal conditions of the asyncwrite flag and cause a BUGON...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Handling of inconsistent states in nilfsbtnodecreateblock. Syzbot reported that an inconsistency in the buffer state was detected in nilfsbtnodecreateblock, which triggered a kernel bug. It is not appropriate to consider...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A shift-out-of-bounds condition has been fixed due to an overly large exponent of the block size. If the slogblocksize field in the superblock data is corrupted and too large, initnilfs and loadnilfs may still trigger a...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Added a missing check for inode numbers on directory entries. Syzbot reported that mounting and unmounting a specific pattern of corrupted Nilfs2 filesystem images causes a use-after-free of metadata file inodes, which...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixed an underflow in calculations for the second superblock position. The macro NILFSSB2OFFSETBYTES calculates the position of the second superblock. This calculation results in an underflow when the devicesize argument ...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential hang occurred in nilfsdetachlogwriter. Syzbot reported a potential hang in nilfsdetachlogwriter called during the unmount of nilfs2. Analysis revealed that this issue arises because nilfssegctorsync, which...

Astra Linux - уязвимость в 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 - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixed possible integer overflows in nilfsfiemap. Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by handling up to maxblocks == INTMAX blocks, the value stored in n may experience an overflow caused by le...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Do not force clear the buffer if it is referenced. The patch series “nilfs2: Protect busy buffer heads from being forced to be cleared” addresses inconsistencies in buffer head states reported by syzbot. These...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fix for a use-after-free of the timer for the log writer thread The patch series is titled “nilfs2: Fix log writer-related issues”. This bug fix series addresses three issues related to the nilfs2 log writer, including...

Astra Linux - уязвимость в linux, linux-5.15, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A infinite loop has been fixed in nilfsmdtgetblock. If the disk image that nilfs2 mounts is corrupted, and the virtual block address obtained through block lookup for a metadata file is invalid, nilfsbmaplookupatlevel may...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential kernel bug due to lack of writeback flag waiting Destructive writes to a block device on which nilfs2 is mounted can cause a kernel bug in the folio/page writeback start routine or writeback end routine...

Astra Linux - уязвимость в linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixing the lifetime of the sysfs interface The current nilfs2 sysfs support has issues with the timing of the creation and deletion of sysfs entries. This may lead to null pointer dereferences, use-after-free errors, and...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux

A vulnerability has been discovered in the Linux kernel. It has been classified as problematic. The affected function is nilfsbmaplookupatlevel in the file fs/nilfs2/inode.c of the nilfs2 component. Manipulation of this function can lead to a null pointer dereference. The attack can be launched...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Avoid having an active sctimer before freeing sci. Because the kthreadstop function did not properly stop the sctask and returned -EINTR, the sctimer was not properly closed, ultimately causing the problem reported by...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Fixed potential deadlocks caused by newly created symlinks. Syzbot reported that the pagesymlink function, called by nilfssymlink, triggers memory reclamation involving the filesystem layer. This can lead to circular lock...