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

In the Linux kernel, the following vulnerability has been resolved: clk: Fixed the issue where clkcoreget could dereference a NULL value. It is possible for clkcoreget to dereference a NULL value in the following sequence: c clkcoreget ofclkgetHWFromClkspec ofclkgetHWFromProvider clkgetHW clkgetH...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the getdnodeofdata functionality of the F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to information disclosure. An attacker can provide a malicious file that triggers this vulnerability...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid: fixed a potential buffer overflow in i2chidgetreport i2chidxfer is used to read recvlen + sizeofle16 bytes of data into ihid-rawbuf. The former can originate from the user space of the hidraw driver and is bounded b...

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: binder: A check for offset alignment was added in bindergetobject. Commit 6d98eb95b450 “binder: avoid potential data leakage when copying txn” introduced changes to the way binder objects are copied. As a result, the offset...

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: nfsd: Ensure that exp remains active before calling svcexportshow. The function eshow was called with protection from RCU. This only ensures that exp will not be freed. As a result, the reference count of exp can drop to zero,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Netfilter: Use getrandomu32 instead of prandom. This issue may occur during the update of per-cpu rndstate from the user context, i.e., at the localout path. BUG: Using smpprocessorid in preemptible 00000000 code: nginx/2725...

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

In the Linux kernel, the following vulnerability has been resolved: ppdev: An error check was added in registerdevice. In registerdevice, the return value of idasimpleget is unchecked. In this case, idasimpleget will use an invalid index value. To address this issue, the index should be checked...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Fixed inode reference leakage in cephgetsnapdir The cephgetinode function will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed. ...

Astra Linux – Vulnerability in xwayland, xorg-server

A buffer overflow vulnerability was discovered in X.Org and Xwayland. The function GetBarrierDevice searches for the pointer device based on its device ID and returns the matching value, or NULL, if no match is found. However, if no matching device ID is found, the code will return the last eleme...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: core: The unnecessary framesz check in bpfxdpadjusttail has been removed. Syzkaller reported the following issue: ======================================= “Too big” – xdp-framesz = 131072 WARNING: CPU: 0, PID: 5020, at...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.17, a network-attached attacker could send a crafted SNMP response to the CUPS SNMP backend, causing an out-of-bounds read of up to 176 bytes beyond the stack buffer. The leak...

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

In the Linux kernel, the following vulnerabilities have been resolved: proc: Fixed a UAF in procgetinode. Fixed a race condition between rmmod and the instantiation of /proc/XXX’s inode. The bug is that pde-procops does not belong to /proc; it belongs to a module. Therefore, dereferencing it afte...

Astra Linux – Vulnerability in OpenCV

A issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in the modules/objdetect/src/hog.cpp module...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed a panic that occurred when calling skblinearize. The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 A kernel panic was then captured: '''...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/via: Avoid potential array out-of-bound access in addsecretdacpath The sndhdagetconnections function may return a negative error code. This could lead to accessing the ‘conn’ array at a negative index. This issue was...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array due to incorrect boundary checks. UBSAN: Array-index out-of-bounds in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: lib/fonts: Fixed undefined behavior in bit shifting for getdefaultfont. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning appears as follows: UBSA...

Astra Linux – Vulnerability in ffmpeg

In FFmpeg 4.4, the adtsdecodeextradata function in libavformat/adtsenc.c does not check the return value of initgetbits. This is a necessary step, as the second argument of initgetbits can be manipulated...

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: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical scenario where swapoff could execute and tear down the swapinfostruct while a call to freeswapandcache was running in another thread. This...

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: SUNRPC: Ensure that the cache entry is active before calling cacheshow. The function cshow was called with protection from RCU. This only ensures that cp will not be freed. As a result, the reference count of cp can drop to zero,...