Astra Linux – Vulnerability in NTP

In the mstolfp.c file within NTP 4.2.8p15, there is a buffer overflow vulnerability when adding a decimal point. An adversary may be able to attack a client’s ntpq process, but they cannot attack the ntpd process...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmscan: fixed a bug that called wakeupkswapd with an incorrect zone index. When numa balancing is enabled, and a numa system is running where a numa node does not have its own local memory, causing it to have no managed...

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

In the Linux kernel, the following vulnerability has been resolved: tomoyo: Fixed the UAF write bug in tomoyowritecontrol. Since tomoyowritecontrol updates head-writebuf when the write function is called for long lines, we need to retrieve head-writebuf after holding head-iosem. Otherwise,...

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...

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 5.15

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, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sparc: Fixed inaccurate exception reporting in copyfromtouser for UltraSPARC III. Anthony Yznaga discovered that a bug in the ext4 code, where large amounts of data were allowed, resulted from copyfromuser returning impossibly...

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 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 uriparser

A issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax...

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: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is being detached, the fstcardinfo is deallocated in fstremoveone. However, the fsttxtask or fstinttask may still be running ...

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: netsched: clsflow: validate TCAFLOWRSHIFT attribute The syzbot found that the TCAFLOWRSHIFT attribute was not validated. Shifting a 32-bit integer is undefined for large shift values. UBSAN: Shift-out-of-bounds in...