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

In the Linux kernel, the following vulnerability has been resolved: mm: Avoid overflows in the dirty throttling logic. The dirty throttling logic relies on assumptions that dirty limits in PAGESIZE units fit within 32-bit boundaries so that various calculations can be performed within 64 bits. If...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hfsplus: The duplicate attr inode dirty marking action has been removed. Syzbot reported a null-ptr-deref issue in 1. If the attributes file is not loaded during system mounting, a trigger occurs when setxattr is executed in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Flush the inode if the atomic file is aborted. We need to flush the inode that was aborted during the atomic operation, to avoid stale dirty inodes during eviction in this call stack: f2fsmarkinodedirtysync+0x22/0x40 f2f...

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: dm cache: fix out-of-bounds access to the dirty bitset when resizing dm-cache checks the dirty bits of the cache blocks to be dropped when shrinking the fast device, but an index bug in bitset iteration causes out-of-bounds acces...

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

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 outputs a warning with certain patterns after nilfs2 detects metadata corrupti...

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: Protection of access to buffers is implemented, ensuring that buffers with no active references are not accessed directly. The function nilfslookupdirtydatabuffers iterates through buffers attached to dirty data...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition when deleting the free space root from the “dirty cow roots” list. When deleting the free space tree, we are deleting the free space root from the list fsinfo-dirtycowonlyroots, without locking it...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability related to out-of-bounds memory access was discovered in the Linux kernel’s XFS file system, regarding how a user restores an XFS image after a failure with a dirty log journal. This vulnerability allows a local user to crash the system or potentially escalate their privileges on...

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: The issue related to null-ptr-deref in the blockdirtybuffer tracepoint has been fixed. When using the “block:blockdirtybuffer” tracepoint, the markbufferdirty function may cause a NULL pointer dereference, or a general...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for the double decrement of the dirty clusters count during shutdown. The fstests test for generic/388 occasionally produces a warning in ext4putsuper, associated with the count of dirty clusters: WARNING: CPU: 7; PID:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not report a bug if someone dirty pages without first consulting ext4. The unpinuserpagesremote function dirty pages without properly warning the file system in advance. Jan Kara noted this race condition in 20181...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101961)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101961 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: only release the dirty pages io tree after successful writes WARNING With extra warning o...

AlmaLinux 9 : kernel (ALSA-2026:54443)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:54443 advisory. kernel: accel/ivpu: Fix signed integer truncation in IPC receive CVE-2026-53202 kernel: net/sched: actapi: use RCU with deferred freeing for action...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-102004)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102004 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for...

CVE-2026-72132

A flaw was found in the Linux kernel's Network File System NFS component. The nfsfoliomarkunstable and nfsfolioclearcommit functions incorrectly account for unstable writes, charging the full folio size for each sub-folio request. This inflated accounting can push the system's dirty page threshol...

vcheck v1.6.3

vcheck Audit a remote Linux host over SSH for the Copy Fail and Dirty Frag kernel-module vulnerabilities and, optionally, apply mitigations: CVE| Name| Affected modules ---|---|--- CVE-2026-31431| Copy Fail| algifaead CVE-2026-43284| Dirty Frag IPsec| esp4, esp6, ipcomp4, ipcomp6, xfrmuser...

CVE-2026-72043

A flaw was found in the Linux kernel, specifically affecting the LoongArch architecture when the hardware page table walker PTW is enabled. This vulnerability stems from a missing dirty page tracking mechanism in the ptewrprotect and pmdwrprotect functions, which can lead to incorrect handling of...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100109)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100109 advisory. In the Linux kernel, the following vulnerability has been resolved: dm cache: fix dirty mapping checking in passthrough mode switching As mentioned in commit...

CVE-2026-72292

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Initialize KVMS390GETCMMABITS memory kvms390getcmmabits allocates its output buffer with vmalloc, which does not zero the returned pages: values = vmallocargs-count; In the non-peek migration path, datgetcmma reports a...

CVE-2026-72470

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: resize log-onepagebuf when adopting on-disk page size logreplay allocates log-onepagebuf using the page size that was chosen from the host PAGESIZE: log-onepagebuf = kmalloclog-pagesize, GFPNOFS; Later, when a restart...