PT-2026-37549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The fs/minix implementation of the minix filesystem lacks necessary sanity checking in the minix check superblock function. Specifically, it does not support any value for s log zone siz...

kernel: smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

kernel: smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

ext4: avoid potential buffer over-read in parse_apply_sb_mount_options()

...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990753)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990753 advisory. In the Linux kernel, the following vulnerability has been resolved: gfs2: Check sbbsizeshift after reading superblock Fuzzers like to scribble over sbbsizeshift but ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a buffer out-of-bounds read that could lead to a superblock parsing error...

kernel: smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990612)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990612 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix underflow in second superblock position calculations Macro NILFSSB2OFFSETBYTES, which...

md/md-bitmap: fix wrong bitmap_limit for clustermd when write sb

...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-989542)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989542 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989703)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989703 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix underflow in second superblock position calculations Macro NILFSSB2OFFSETBYTES, which...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990223)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990223 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix inode number range checks Patch series nilfs2: fix potential issues related to reserv...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988984 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: The loop device’s block size should not be updated under exclusive control of the device owner. Syzbot identified a scenario where the block size of a loop device was changed within a mounted file system. This caused a mismatch...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the sanity check on sbi-totalvalidblockcount. syzbot reported a f2fs bug as follows: ------------ cut here ------------ Kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010: decvalidblockcount + 0x3b2/0x3c0, fs/f2fs/f2fs.h:25...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to bail out in getnewsegment ------------ cut here --- WARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 newcurseg+0x5e8/0x6dc PC: newcurseg+0x5e8/0x6dc Call trace: newcurseg+0x5e8/0x6dc f2fsallocatedatablock+0xa54/0xe...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed a use-after-free in cifsoplockbreak. A race condition can occur in cifsoplockbreak, leading to a use-after-free of the cinode structure when unmounting: c cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfin...

EUVD-2022-55676

The Core Config Manager CCM in Nagios XI versions prior to CCM 3.1.6 / Nagios XI 5.8.8 contains a cross-site scripting XSS vulnerability via the search and deletion interfaces. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script ...

EUVD-2023-60039

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible addldescptr out-of-bounds accesses Sanitize possible addldescptr out-of-bounds accesses in sesenclosuredataprocess...

EUVD-2022-54880

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...