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...

CVE-2026-63812

A flaw was found in the Linux kernel's f2fs Flash-Friendly File System. Incorrect handling of extent information during inode destruction can lead to a stale extent cache. This can result in data integrity issues or filesystem corruption, potentially requiring administrative intervention to repai...

btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc()

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f2fs: fix KMSAN uninit-value in extent_info usage

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DEBIAN-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

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 f2fs: fix KMSAN uninit-value in extent_info usage

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 f2fs: fix KMSAN uninit-value in extent_info usage

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 ...