CLSA-2026-1768895798 kernel: Fix of 4 CVEs

fs/proc: fix uaf in procreaddirde CVE-2025-40271 - fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-2978 - Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp CVE-2023-53297 - net: sched: sfb: fix null pointer access issue when sfbinit fails CVE-2022-50356 - ALSA: usb-audio: Fix size...

CLSA-2026-1768825166 kernel: Fix of 6 CVEs

fs/proc: fix uaf in procreaddirde CVE-2025-40271 - fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-2978 - Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp CVE-2023-53297 - net: sched: sfb: fix null pointer access issue when sfbinit fails CVE-2022-50356 - ALSA: usb-audio: Fix size...

CLSA-2026-1768824748 kernel: Fix of 7 CVEs

fs/proc: fix uaf in procreaddirde CVE-2025-40271 - fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-2978 - Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp CVE-2023-53297 - net: sched: sfb: fix null pointer access issue when sfbinit fails CVE-2022-50356 - ALSA: usb-audio: Fix size...

CLSA-2026-1769610819 kernel: Fix of 42 CVEs

Bluetooth: hcisysfs: Fix attempting to call deviceadd multiple times CVE-2022-50419 - firewire: net: fix use after free in fwnetfinishincomingpacket CVE-2023-53432 - wifi: brcmfmac: fix use-after-free bug in brcmfnetdevstartxmit CVE-2022-50408 - wifi: brcmfmac: slab-out-of-bounds read in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A bug has been fixed where nilfsgetblock returns a successful status when searching for and inserting the specified block both times fail inconsistently. If this inconsistent behavior is not due to a previously fixed bug,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixing the use-after-free bug of nswriter when remounting the filesystem. If a nilfs2 filesystem is downgraded to read-only due to metadata corruption on the disk, and it is remounted with read/write access, or if an...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A use-after-free bug in nilfsroot has been fixed in nilfsevictinode. During the unmount process of nilfs2, nothing holds the nilfsroot structure after nilfs2 detaches its writer in nilfsdetachlogwriter. However, since...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a kernel-infoleak in nilfsioctlwrapcopy The ioctl helper function nilfsioctlwrapcopy, which exchanges a metadata array to/from user space, may copy uninitialized buffer regions to user space memory for read-only ioc...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: The UAF/GPF bug in nilfsmdtdestroy has been fixed. In allocinode, if inodeinitalways fails, it may return -ENOMEM. This failure causes inode-iprivate to remain uninitialized. As a result, nilfsismetadatafileinode returns true...

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 the syzbot report, the call to markbufferdirty from nilfssegctordoconstruct generates a warning with certain patterns after nilfs2 detects metadata...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1768110920)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1768110920 advisory. - A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function securityinodealloc to fail wit...

PT-2026-94766

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A kernel BUG occurs within the nilfs copy dirty pages function, which is responsible for copying dirty DAT file folios or pages to the shadow page cache. The issue is triggered when a...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed data corruption in the dsync block recovery process for small block sizes. The helper function nilfsrecoverycopyblock in nilfsrecoverydsyncblocks incorrectly calculates the on-page offset when copying repair data...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential out-of-bounds memory access occurred in nilfsfindentry. Syzbot reported that when searching records in a directory where the isize of an inode is corrupted and has a large value, memory access outside the...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential UAF Use-After-Free error in struct nilfsscinfo can be prevented in nilfssegctorthread. The finalization of nilfssegctorthread may race with nilfssegctorkillthread, which terminates that thread. This could...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed state management in the error-prone path of the log writing function. After the commit a694291a6211 “nilfs2: separating the wait function from nilfssegctorwrite” was applied, the log writing function...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed the misjudgment in nilfsemptydir and the long loop that occurred due to I/O errors. The error handling in nilfsemptydir when reading a directory’s folio/page fails is incorrect. In the old ext2 implementation, if...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed the potential NULL pointer dereferencing in nilfsbtreeinsert The patch series “nilfs2: fixes potential issues with empty B-tree nodes” addresses three potential issues with empty B-tree nodes that can occur with...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks, and a superblock writeback occurs at the same time: task 1 task 2 ------...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A general protection fault occurred in nilfsbtreeinsert. If nilfs2 reads a corrupted disk image and attempts to read a B-tree node by calling nilfsbtreegetblock against an invalid virtual block address, it returns -ENOENT...