Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Fixed the issue where uninitialized values were used in the extentinfo structure during the isextentmergeable and isbackmergeable functions, through the read extent tree path. The root cause of the issue is that the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006596)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006596 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: Do not bother merging very long extents When merging very long extents we try to push as muc...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005153)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005153 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix double brelse the buffer of the extents path In ext4exttrytomergeup, set path1.pbh to...

CVE-2025-38579

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix KMSAN uninit-value in extentinfo usage KMSAN reported a use of uninitialized value in isextentmergeable and isbackmergeable via the read extent tree path. The root cause is that getreadextentinfo only initializes three...

UBUNTU-CVE-2025-38579

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix KMSAN uninit-value in extentinfo usage KMSAN reported a use of uninitialized value in isextentmergeable and isbackmergeable via the read extent tree path. The root cause is that getreadextentinfo only initializes three...

CVE-2025-38579

CVE-2025-38579 affects the Linux kernel F2FS: KMSAN reported use of uninitialized values in __is_extent_mergeable() and __is_back_mergeable() through the read extent tree path. Root cause: get_read_extent_info() only initializes three fields (fofs, blk, len) of struct extent_info, leaving others ...