Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: exfat: Check if the cluster number is valid. Syzbot reported a slab-out-of-bounds read in exfatclearbitmap. This issue was triggered when the reproducer called truncute with a size of 0, resulting in the following error messag...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: The cleanup limit for connections has been increased to 64. After the optimization to perform only one garbage collection per jiffy, a new problem emerged. If more than 8 new connections are tracked per...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: md-raid10: fixed the KASAN warning There is a KASAN warning in raid10removedisk when running the lvm test lvconvert-raid-reshape.sh. We have fixed this warning by verifying that the value “number” is valid. BUG: KASAN:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: fixed the UAF in wakerbfqq after bfqsplitbfqq Our syzkaller report identifies the following UAF for v6.6: BUG: KASAN: slab-use-after-free in bfqinitrq+0x175d/0x17a0 block/bfq-iosched.c:6958 A size 8 read at address...

Astra Linux – Vulnerability in libsoup2.4

GNOME libsoup before version 3.6.1 allows a buffer overflow in applications that perform conversion to UTF-8 in the soupheaderparseparamliststrict function. There is a plausible way to exploit this vulnerability remotely through the soupmessageheadersgetcontenttype function for example, an...

Astra Linux – Vulnerability in imagemagick

A memory leak in ImageMagick 7.0.10-45 and 6.9.11-22 allows remote attackers to perform a denial of service attack through the “identify -help” command...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: BPF: cpumap: Fixed a memory leak in cpumapupdateelem. Syzkaller reported a memory leak as follows: BUG: Memory leak Unreferenced object 0xff110001198ef748 size 192: Command: "syz-executor.3", PID 17672, Jiffies: 4298118891 Age...

Astra Linux – Vulnerability in Gunicorn

Gunicorn version 21.2.0 does not properly validate the value of the ‘Transfer-Encoding’ header as specified in the RFC standards. This results in the use of the default fallback method ‘Content-Length’, making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisonin...

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: fs/buffer: Fixed an issue where a use-after-free occurred when calling bhread helper functions. There is one issue as follows: BUG: KASAN: Stack out-of-bounds condition in endbufferreadsync+0xe3/0x110. A size 8 read was performed...

Astra Linux – Vulnerability in imagemagick

In the ParseMetaGeometry function of MagickCore/geometry.c, calculations for image height and width can lead to division-by-zero conditions, which can also result in undefined behavior. This flaw can be triggered by an input file processed by ImageMagick and could affect the availability of the...

Astra Linux – Vulnerability in Waitress

In Waitress version 1.4.0, if a proxy server is used in front of Waitress, an attacker may send an invalid request that bypasses the front-end and is parsed differently by Waitress. This could lead to HTTP request smuggling. Specifically, requests containing special whitespace characters in the...

Astra Linux – Vulnerability in pcre2

A out-of-bounds read was discovered in PCRE before version 10.34, where the pattern \X was JIT-compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, as it could allow an attacker to cause the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: In the acpiecsetup function, when ecinstallhandlers returns -EPROBEDEFER on reduced-hardware platforms, the EC is already initiated, and the address-space handler is installed using the struct acpiec pointer as the handler...

Astra Linux – Vulnerability in imagemagick

ImageMagick is a free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19 and 6.9.13-44, the -sample operation has a out-of-bounds read when a specific offset is set through the sample:offset definition, which could lead to an out-of-bounds read...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed the kernel stack leak in irdmacreateuserah. struct irdmacreateahresp // 8 bytes, no padding u32 ahid; // Offset 0 – SET uresp.ahid = ah-scah.ahinfo.ahidx u8 rsvd4; // Offset 4 – NEVER SET - LEAK ; The rsvd4 fiel...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-189 and 6.9.13-44, when “Magick” parses an XML file, it is possible that a single zero-byte may be written out of the bounds. This issue has been fixed in versions 6.9.13-44 and...

Astra Linux – Vulnerability in Ruby-Rack

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Multipart::Parser only wrapped the request body using BoundedIO when the CONTENTLENGTH header was present. When a multipart/form-data request was sent without a Content-Length header, such as with HTTP...

Astra Linux – Vulnerability in libvncserver

LibVNCClient is a library for easy implementation of a VNC client. In versions 0.9.15 and earlier, LibVNCClient’s Tight encoding decoder used fixed-size 2048-pixel scratch buffers for the Gradient filter. However, it did not reject Tight rectangles whose width exceeded 2048 pixels. A malicious VN...

Astra Linux – Vulnerability in Qemu

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Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Avoid field-overflowing memcpy In preparation for FORTIFYSOURCE, we are performing compile-time and run-time field bounds checking for memcpy, memmove, and memset. Avoid intentionally writing across neighboring fields...