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

In the Linux kernel, the following vulnerability has been resolved: ALSA: emux: improved patch ioctl data validation. In the loaddata function, the validation of the main information block is performed, while in loadguspatch, this block is skipped. In loadguspatch, additional checks are added to...

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

A out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 netfilter: nftables: Reject tables of unsupported family. While creating a new netfilter table, the lack of a safeguard against invalid nftables family pf values within the nftablesnewtable function...

Astra Linux – Vulnerability in Linux 5.10, Linux

Dm-verity is used to extend the root-of-trust to root file systems. LoadPin builds upon this feature to restrict module/firmware loads to only the trusted root file system. Currently, device-mapper table reloads allow users with root privileges to replace the target with an equivalent dm-linear...

Astra Linux – Vulnerability in binutils

A vulnerability was identified in GNU Binutils 2.45. The affected component is the elfx8664relocatesection function in the file elf64-x86-64.c of the Linker component. This vulnerability causes a heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RISCV: Check whether the code to be patched lies within the exit section. Otherwise, we proceed to vmalloctopage, which panics because the address does not lie within the vmalloc region...

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: pinctrl: mcp23s08: Fixed sleeping in atomic context due to regmap locking If a device uses the MCP23xxx IO expander to receive IRQs, the following bug can occur: BUG: Sleeping function called from invalid context at...

Astra Linux – Vulnerability in Jinja2

Jinja is an extensible templating engine. Prior to version 3.1.6, there was a flaw in how the Jinja sandbox environment interacted with the |attr filter, allowing an attacker who controls the content of a template to execute arbitrary Python code. To exploit this vulnerability, an attacker needed...

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/sched: Abort tcmodifyqdisc if parent class does not exist Lion’s patch 1 uncovered an ancient bug in the qdisc API. Whenever a user creates or modifies a qdisc with another qdisc as its parent, the qdisc API will detect that...

Astra Linux – Vulnerability in c-ares

c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service attacks. When a target resolver sends a query, the attacker creates a malformed UDP packet with a length of 0 and sends it back to the target resolver. The target resolver misinterprets this 0-length field as an...

Astra Linux – Vulnerability in TIF format

A vulnerability has been discovered in LibTIFF. It has been classified as critical. This vulnerability affects the TIFFReadRGBATileExt function in the file libtiff/tifgetimage.c. Manipulation of this function can lead to integer overflow. The attack can be initiated remotely. The exploit has been...

Astra Linux – Vulnerability in Ruby 2.5

REXML is an XML toolkit for Ruby. The REXML gem version 3.3.2 has a DoS vulnerability when it parses an XML document that contains many entity expansions using SAX2 or the pull parser API. The REXML gem versions 3.3.3 and later include a patch to fix this vulnerability...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: The issue of destroying KFD debugfs after destroying KFD wq has been addressed. Since the KFD proc content was moved to the kernel debugfs, we cannot destroy KFD debugfs before calling kfdprocessDestroywq. Moving...

Astra Linux – Vulnerability in freerdp2

FreeRDP is a free implementation of the Remote Desktop Protocol. Clients that rely on FreeRDP before version 3.5.1 are vulnerable to out-of-bounds read attacks if nWidth == 0 and nHeight == 0. Version 3.5.1 includes a patch for this issue. There are no known workarounds available...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed an error code in chanallocskbcb. The chanallocskbcb function is supposed to return error pointers in case of errors. Returning NULL will lead to a NULL derefrence...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web. Due to a bug related to expired pointer references, Squid versions prior to 6.6 were vulnerable to a Denial of Service attack targeting error responses from the Cache Manager. This vulnerability allowed a trusted client to cause a Denial of Service attack by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: userfaultfd: Fixes the checks for huge PMDs. Patch series “userfaultfd: fix races around pmdtranshuge check”, v2. The pmdtranshuge code in mfillatomic is incorrect in three different ways, depending on the kernel version: 1. T...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ICMP messages are rate-limited. After the committed issues, the two rate limiters are applied in this order: 1 Host-wide rate limit icmpglobalallow 2 Per-destination rate limit based on inetpeer To avoid side-channel attacks, we...

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

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed the reference count leak in pinctrldttomap If we fail to allocate the propname buffer, we need to remove the reference count that we just acquired. Since pinctrldtfreemaps includes this removal operatio...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8, 6.17, and 7.0 contain AppArmor patches that incorrectly attempt to free a pointer that was not previously allocated using kmalloc. At the same time, allocated memory is also leaked. This bug can be triggered by an unprivileged local user, and it can result in corruption of slab...

Astra Linux – Vulnerability in Linux 5.10, Linux

A use-after-free flaw was discovered in qdiscgraft in the net/sched/schapi.c file of the Linux Kernel, due to a race condition. This flaw causes a denial-of-service issue. If the patch ebda44da44f6 “net: sched: fix race condition in qdiscgraft” is not applied yet, then the kernel may be affected...