Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Filter out the EXT4FCREPLAY bit from the on-disk superblock’s sstate field. The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are currently replaying the fast commit journal. This was actually a mistake, a...

CVE-2022-49348: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are in the middle of replay the fast commit journal. This was actually a mistake, since the...

CVE-2021-47117: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug on in ext4escacheextent as ext4splitextentat failed We got follow bugon when run fsstress with injecting IO fault: 130747.323114 kernel BUG at fs/ext4/extentsstatus.c:762! 130747.323117 Internal error: Oops - BUG: 0...

The vulnerability of the ext4_es_cache_extent() function in the fs/ext4/extents.c component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ext4escacheextent function in the fs/ext4/extents.c component of the Linux operating system is related to integer overflow. Exploiting this vulnerability allows an attacker to trigger a service failure using the specially created gcow2 file...

CVE-2021-3428: Integer Overflow or Wraparound

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4escacheextent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem...