Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allows Heap-based Buffer Overflows because it mishandles the "-F’.‘” syntax on the command line. This may allow privilege escalation from any user to root. This issue occurs due to the incorrect interpretation of negative sizes in the strncpy function...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in fs/nfs/dir.c in the Linux kernel before version 5.16.5. If an application sets the ODIRECTORY flag and attempts to open a regular file, nfsatomicopen performs a regular lookup. If a regular file is found, ENOTDIR should be returned; however, the server instead returns...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: m68k: For mvme147 and mvme16x architectures, do not wipe the PCC timer configuration bits. Do not clear the timer 1 configuration bits when clearing the interrupt flag and counter overflow. As reported by Michael, “This result...

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...

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 found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue of tagging the “gcing” flag on the page during block migration. It is necessary to add the missing “gcing” flag on the page during block migration, in order to ensure that the migrated data is persisted duri...

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, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid: removed the I2CHIDREADPENDING flag to prevent lock-ups. The I2CHIDREADPENDING flag is used to serialize I2C operations. However, this is not necessary, as the I2C core already has its own locking mechanisms for this...

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: fs/aio: Check IOCBAIORW before the conversion of struct aiokiocb. The first argument of kiocbset Cancelfn may point to a struct kiocb that is not embedded within struct aiokiocb. With the current code, depending on the compiler,...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables – Failure to set the dormant flag on the hook register We need to set the dormant flag again if we fail to register the hooks. During memory pressure, hook registration may fail, resulting in a table being...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: veth: The GRO flag is cleared when XDP is disabled, even when the device is disabled. The NETIFFGRO flag is set automatically when XDP is enabled, because both features use the same NAPI mechanism. The logic for clearing the...

Astra Linux – Vulnerability in Golang-1.19

Templates do not properly handle backticks as JavaScript string delimiters, and do not escape them as expected. Backticks have been used since ES6 for JavaScript template literals. If a template contains a Go template action within a JavaScript template literal, the contents of the action can be...

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...