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

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: Fixed an uninitialized value in ocfs2filereaditer. Syzbot has reported the following KMSAN errors: BUG: KMSAN: Uninitialized value in ocfs2filereaditer+0x9a4/0xf80; ocfs2filereaditer+0x9a4/0xf80; ioread+0x8d4/0x20f0;...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. A OOB-read vulnerability has been discovered in the qtdemuxparsecontainer function within qtdemux.c. In the parent function qtdemuxparsenode, the value of length is not properly checked. As a result, if length is large...

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

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fixed a suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex, and iptunnelfind is only called from the control path where the mutex is acquired. Added a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: Ensure that ioeventfdsignal delays another RCU period. The function ioeventfddosignal is invoked from an RCU callback. However, when the reference to ioevfd is dropped, it directly calls ioeventfdfree if the...

Astra Linux – vulnerability in xwayland, xorg-server

A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler fails to validate the request length, enabling a client to read unintended memory from prior requests...

Astra Linux – vulnerability in Chromium

Uninitialized data in PDFium in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted PDF file...

Astra Linux – vulnerability in Firefox

A malicious extension with ‘search’ permissions might have installed a new search engine; its favicon referenced a cross-origin URL. The response to this cross-origin request could have been read by the extension, enabling it to bypass the same-origin policy—which it should not possess. This...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: media: zr364xx: fixed a memory leak in zr364xxstartreadpipe syzbot reported a memory leak in the zr364xx driver. The issue occurred in non-freeed urb situations when usbsubmiturb failed. Backtrace: kmalloc...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: Protect flwalk with rcu. The patch that refactored flwalk to use idrforeachentrycontinueul also removed the rcu protection for individual filters. This caused a use-after-free when the filter was deleted...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the context of dm-verity-target.c, there is a potential way to modify read-only files due to a missing permission check. This could lead to a local escalation of privileges, as System execution privileges are required. User interaction is not necessary for exploiting this vulnerability. Produc...

Astra Linux – Vulnerability in htmldoc

There is a vulnerability in htmldoc 1.9.16. In the imageloadjpeg function, when image.cxx calls malloc, ‘img-width’ and ‘img-height’ are too large to prevent an integer overflow. As a result, the malloc function may return a heap block smaller than expected, causing a buffer overflow/Address...

Astra Linux – vulnerability in linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix data-races around sysctlfibmultipathhashfields. While reading sysctlfibmultipathhashfields, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – vulnerability in linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpfastopenblackholetimeout. While reading sysctltcpfastopenblackholetimeout, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpnotsentlowat. While reading sysctltcpnotsentlowat, it can be changed concurrently. Thus, we need to add READONCE to its reader...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpmtuprobefloor. When reading sysctltcpmtuprobefloor, it can be changed concurrently. Therefore, we need to add READONCE to its reader...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpminsndmss. While reading sysctltcpminsndmss, it can be changed concurrently. Thus, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed a data race around the sysctlfwmarkreflect function. When reading sysctlfwmarkreflect, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed data races related to sysctlipfwdusepmtu. When reading from sysctlipfwdusepmtu, it can be changed concurrently. Therefore, we need to add a READONCE call to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: igc: Restored the IGCREMOVED logic and implemented it correctly. The initially merged version of the igc driver code via commit 146740f9abc4, “igc: Add support for PF” contained the following IGCREMOVED checks in the...

Astra Linux – vulnerability in linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: zonefs: fix zonefsiomapbegin for reads When a readahead operation is performed on a sequential zone file whose offset matches the current file size, the iomap type is set to IOMAPUNWRITTEN, which prevents an IO operation; however...