Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed the issue where skbcopyubufs was used in conjunction with BIG TCP, causing crashes due to TCP tx zerocopy using hugepages, and when the skb length exceeded approximately 68 KB. skbcopyubufs assumed that it could copy a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: The flag SBRDONLY is no longer set during the f2fshandlecriticalerror function. The syzbot reported the following bug: ------------ Cut here ------------ WARNING: CPU: 1, PID: 58, in kernel/rcu/sync.c:177, function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: Set UXN on swapper page tables This issue was accidentally fixed upstream via c3cee924bd85 "arm64: head: cover the entire kernel image in the initial ID map", as part of a major refactoring of the arm64 boot process. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: Initialize the work queue before error checks. A kernel warning is prevented when the netconsole setup fails on devices with the IFFDISABLENETPOLL flag. The warning occurs because the cleanup process attempts to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Zoneed: Do not flag “ZEROOUT” on non-dirty extent buffers. Btrfs clears the content of an extent buffer marked as EXTENTBUFFERZONEDZEROOUT before the bio submission. This mechanism is introduced to prevent a write hole ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: The fs subsystem requires passing the ATGETATTRNOSEC flag to the getattr interface function. When the vfsgetattrnosec function calls the getattr interface of a file system, the nosec flag should be propagated into this function, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition in readextentbufferpages There are reports from tree-checker that detect corrupted nodes, without any obvious pattern—possibly due to an overwrite in memory. After some debugging, it turned out that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/uffd: A warning is now prevented when PTE MARKERUFFDWP is not compiled in. When PTE MARKERUFFDWP is not configured, it’s still possible to access the pte marker code and trigger a warning. Add some CONFIGPTE MARKERUFFDWP ifdef...

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

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Check for the NOTREADY flag state after locking Currently, the check for the NOTREADY flag is performed before obtaining the necessary lock. This creates a possibility for race conditions when the flow is concurrently...

kernel: net: skbuff: propagate shared-frag marker through frag-transfer helpers

A flaw was found in the Linux kernel's networking skbuff component. When skbtrycoalesce attaches paged fragments, it can lose the SKBFLSHAREDFRAG marker. This can lead to the Encapsulating Security Payload ESP input decrypting data in place over page-cache backed fragments, potentially resulting ...

CVE-2026-43620

Rsync version 3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recvfiles in receiver.c that allows a malicious rsync server to crash the rsync client process. Attackers can exploit the vulnerability by setting CFINCRECURSE in compatibility flags and sending a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021557)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021557 advisory. In the Linux kernel, the following vulnerability has been resolved: kprobes: Fix check for probe enabled in killkprobe In killkprobe, the check whether...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021497)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021497 advisory. In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner 'getdumpable' logic The 'dumpability' of a task is fundamentally about the...

Metasploitable3-pentest-lab

🛡️ Metasploitable3 — Home Lab Penetration Test Report Aut...

EUVD-2026-30925

Any guest can cause xenstored to crash by issuing a XSRESETWATCHES command within a transaction due to an assert triggering. In case xenstored was built with NDEBUG defined nothing bad will happen, as assert is doing nothing in this case. Note that the default is not to define NDEBUG for xenstore...

glibc: wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

A flaw was found in glibc. When the wordexp function is called with the flags WRDEREUSE and WRDEAPPEND, it may return uninitialized memory. If the caller inspects the wewordv array or calls the wordfree function to free the allocated memory, the process will abort, resulting in a denial of servic...

CentOS 9 : kernel-5.14.0-706.el9

"The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the kernel-5.14.0-706.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit...

GHSA-J5RM-V3VH-VX94 eduMFA Passkeys: missing expiration flag may allow replay attacks and reuse of old challenges

Impact In eduMFA = 2.9.1 by adding validity information to the userless challenges. Workarounds No known workarounds besides disabling userless login altogether...

eduMFA Passkeys: missing expiration flag may allow replay attacks and reuse of old challenges

Impact In eduMFA = 2.9.1 by adding validity information to the userless challenges. Workarounds No known workarounds besides disabling userless login altogether...

SUSE CVE-2026-41888

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.1, tag deletion via the DELETE /v2//manifests/ endpoint bypasses the storage.delete.enabled: false configuration, allowing any API client to remove tags from repositories even when the operator has...