Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: In ext4, the work related to queued discard operations is always drained in ext4mbrelease. While reviewing the recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard...

CVE-2026-43065

In the Linux kernel, the following vulnerability has been resolved: ext4: always drain queued discard work in ext4mbrelease While reviewing recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard option, deleting files will populate...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-992989)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992989 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mbfindextent Syzbot found the following issue: EXT4-fs: Warning: mounting wi...

CVE-2023-54069

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...

CVE-2023-54069

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...

SUSE CVE-2023-53317

In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mbfindextent Syzbot found the following issue: EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioreadnolock, ODIRECT and fastcommit support! EXT4-fs loop0: orphan cleanup on readonl...

CVE-2023-53317

CVE-2023-53317 is a Linux kernel vulnerability in the ext4 subsystem, specifically the mb_find_extent path. The provided description shows a fix for a WARNING triggered in mb_find_extent and associated traces involving ext4_mb_complex_scan_group and ext4_ext_map_blocks, indicating a misbehavior i...

PT-2025-38035

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.2.0-rc1-syzkaller Description: The Linux kernel contains a flaw within the ext4 filesystem related to block bitmap validation. Specifically, the mb find extent function may trigger a warning due to...

DEBIAN-CVE-2022-49708

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

Denial Of Service (DoS)

Linux kernel is vulnerable to NULL pointer dereference vulnerability. This is because the ext4/mballoc.c:ext4processfreeddata function in Linux kernel mishandles the case of a root directory with a zero ilinkscount. A privileged attacker could cause a denial of service condition with a crafted ex...

kernel: NULL pointer dereference in ext4/mballoc.c:ext4_process_freed_data() when mounting crafted ext4 image

The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/mballoc.c:ext4processfreeddata function. An attacker could trick a legitimate user or a privileged attacker could exploit this by mounting a crafted ext4 image to cause a kernel panic...