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

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: The return value of tcpbpfsendmsg was corrected. When we use the cork mechanism in psock-cork, the last message triggers flushing, resulting in sending a skmsg that is larger than the current message size. In this case, i...

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: ext4: Convert inline data to extents when truncate exceeds inline size A check has been added to ext4setattr to convert files from inline data storage to extent-based storage when the truncate function increases the file size...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a user-friendly HTTP client library for Python. Previously, urllib3 would not remove the HTTP request body when an HTTP redirect response was received using status 301, 302, or 303 after the request’s method changed from one that could accept a request body such as POST to GET, as...

Astra Linux – Vulnerability in Chromium

Before version 90.0.4430.72, using extensions in Google Chrome allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape through a crafted Chrome Extension...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a use-after-free issue in ext4findextent when using bigalloc with inline data. Syzbot identified the following issue: - loop0: A change in capacity was detected, from 0 to 2048. - EXT4-fs loop0: The filesystem...

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

In the Linux kernel, the following vulnerability has been resolved: btrfs: Proper handling of errors from btrfsdecref. In walkupproc, we have a BUGONret from btrfsdecref. This is incorrect; we have proper error handling here, and the error is returned...

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

In the Linux kernel, the following vulnerability has been resolved: “pipe: wakeup wrwait after setting maxusage” The commit c73be61cede5 “pipe: Add general notification queue support” introduced a regression that could cause pipes with resized sizes to become locked under certain conditions. See...

Astra Linux – Vulnerability in Linux 5.10

The checkaluop function in kernel/bpf/verifier.c in the Linux kernel, as of v5.16-rc5, did not properly update the bounds when handling the mov32 instruction. This issue allows local users to obtain potentially sensitive address information, also known as a “pointer leak.”...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. There is an out-of-bounds read and an OOPS error for SMB2write, when a large length is present in the zero DataOffset case. source-iocs-preserved const=SMB2WRITE...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: uio: uiodmemgenirq: Fixed an issue where the unlock operation was missed in irq configuration. The commit b74351287d4b “uio: fixed a bug in uiodmemgenirqirqcontrol”. corrected the code so that disableirq was called without...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fixed a use-after-free in acpiutcopyipackagetoipackage. There is a use-after-free reported by KASAN: BUG: KASAN: use-after-free in acpiutremovereference+0x3b/0x82 Reading of size 1 at addr ffff888112afc460 by task...

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: Bluetooth: btrtl – Prevent potential NULL dereferencing. The btrtlinitialize function checks whether rtlloadfile either had an error or loaded a zero-length file. However, if it loads a zero-length file, the error code is not set...

Astra Linux – Vulnerability in libstb

stbimage is a single-file library licensed under MIT that is used for processing images. When stbisetflipverticallyonload is set to TRUE, and reqcomp is set to a value that does not match the actual number of components per pixel, the library attempts to flip the image vertically. A specially...

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

In the Linux kernel, the following vulnerability has been resolved: sctp: A potential overflow issue in sctpifwdtsnskip has been fixed. Currently, when using sctpwalkifwdtsn to traverse ifwdtsnskip, it only checks the position pos against the end of the chunk. However, the data remaining at the...

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

In the Linux kernel, the following vulnerabilities have been resolved: net:vxlan: Fixed a NULL dereference of ndtbl when IPv6 is disabled. When booting with the ‘ipv6.disable=1’ parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called, which is responsible for...

Astra Linux – Vulnerability in Pypy

In the http.cookiejar.py module of Python, prior to version 3.7.3, the domain validation mechanism was not properly implemented. This vulnerability could allow existing cookies to be sent to the wrong server. Attackers could exploit this flaw by using a server whose hostname contains another vali...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Initialize sccindex in unixaddedge. Quang Le reported that the AFUNIX GC could garbage-collect a receive queue of an alive in-flight socket, with a detailed repro. The repro consists of three stages. 1 Create a single...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “fs/ntfs3: Replace inodetrylock with inodelock” This change is reflected in commit 69505fe98f198ee813898cbcaf6770949636430b. Initially, the conditional lock acquisition was removed to fix a bug in xfstest that was observed during...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel 6.0.8, there is a use-after-free in the rununpack function in fs/ntfs3/run.c, which is related to a difference between the NTFS sector size and the media sector size...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache once for each folio. If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths that are smaller than the page size. When we loop through the folios in...