Astra Linux – vulnerability in linux-6.1, linux-6.12, linux-6.18

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix slab-out-of-bounds in nilfsdirectpropagate after truncation Shuangpeng Bai reported that KASAN detected a slab-out-of-bounds error in nilfsdirectpropagate during testing. Analysis revealed that after truncating a file...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

CLSA-2025-1763990271 Fix of 11 CVEs

Focal update: v5.4.291 upstream stable release LP: 2106002 // CVE-2024-58072 - wifi: rtlwifi: remove unused checkbuddypriv Focal update: v5.4.291 upstream stable release LP: 2106002 - wifi: rtlwifi: remove unused timer and related code - wifi: rtlwifi: remove unused dualmac control leftovers Foca...

CLSA-2025-1758010922 Fix of 49 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-38000 - schhfsc: Fix qlen accounting bug when using peek in hfscenqueue CVE-url: https://ubuntu.com/security/CVE-2024-57996 // CVE-url: https://ubuntu.com/security/CVE-2025-37752 - netsched: schsfq: move the limit validation Focal update: v5.4.285...

CLSA-2026-1773832495 Fix of 132 CVEs

CVE-2023-53515 - virtio-mmio: don't break lifecycle of vmdev CVE-2023-53515 CVE-2025-39967 - fbcon: fix integer overflow in fbcondosetfont CVE-2025-39967 - fbcon: Fix OOB access in font allocation CVE-2025-39967 CVE-2025-38702 - fbdev: fix potential buffer overflow in doregisterframebuffer...

CVE-2026-90420

A flaw was found in the nilfs2 component of the Linux kernel. When the nilfs2 filesystem encounters an I/O error and is subsequently remounted as read-only, a cleaner input/output control ioctl operation can enter an infinite loop. This condition causes the affected task to hang indefinitely,...

CVE-2026-90418

A flaw was found in nilfs2, a file system in the Linux kernel. This vulnerability occurs when a dirty page unexpectedly loses its dirty status during a copy operation, particularly after the filesystem detects metadata corruption and transitions to read-only mode. An attacker could potentially...

CVE-2026-90419

A flaw was found in the nilfs2 filesystem implementation within the Linux kernel. This vulnerability occurs due to insufficient validation of super-root inode metadata size before parsing. A local attacker could craft a malicious filesystem image that, when processed, causes an out-of-bounds read...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject zero bdoblocknr in nilfsioctlmarkblocksdirty nilfsioctlmarkblocksdirty uses bdoblocknr to detect dead blocks by comparing it with the current block number bdblocknr. If they differ, the block is considered dead and...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The btree node cache iassocinode for DAT inodes is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL pointer dereference in nilfspalloccommitfreeentry Syzbot reported a null-ptr-deref bug: NILFS loop0: segctord starting. Construction interval = 5 seconds, CP frequency 3c 02 00 0f 85 26 05 00 00 49 8b 46 10 be a6...

Astra Linux – Vulnerability in Linux 5.10, Linux, 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 – vulnerability in 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 – Vulnerability found in Linux 5.10, Linux 5.15

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 – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix shift-out-of-bounds/overflow in nilfssb2badoffset Patch series “nilfs2: fix UBSAN shift-out-of-bounds warnings on mount time”. The first patch fixes a bug reported by syzbot, while the second patch addresses the...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series “nilfs2: fix kernel bug at submitbhwbc”. This resolves a kernel BUG reported by syzbot. Since there are two flaws involved, I’ve made each one...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

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

Astra Linux – vulnerability in linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Do not write dirty data after degrading to read-only According to syzbot’s report, markbufferdirty called from nilfssegctordoconstruct outputs a warning with certain patterns after nilfs2 detects metadata corruption and...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

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 – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix hang in nilfslookupdirtydatabuffers Syzbot reported a hang issue in migratepagesbatch called by mbind and nilfslookupdirtydatabuffers called in the log writer of nilfs2. While migratepagesbatch locks a folio and waits...