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: drm/amd/pm: Prevention of division by zero The user can set any speed value. If the speed is greater than UINTMAX/8, a division by zero is possible. Found by the Linux Verification Center linuxtesting.org with SVACE...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fixed the crash issue for the zero copy XDPTX action. There is a crash issue when running the zero copy XDPTX action. The crash log is as follows: 216.122464 Unable to handle kernel paging request at virtual address...

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: ethtool: Avoid overflowing the user-space buffer during stats queries The ethtool -S command operates through three ioctl calls: - ETHTOOLGSSETINFO for the size of the statistics data; - ETHTOOLGSTRINGS for the names of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hwmon: adt7470 Fixed a divide-by-zero crash in the fan speed reading via TOCTOU. If the fan data becomes 0 between the FANDATAVALID check and the FANPERIODTORPM conversion, it will cause a divide-by-zero crash due to a race...

Astra Linux – Vulnerability in ffmpeg

FFmpeg 4.2 is affected by a divide-by-zero issue through the libavcodec/aacpsy.c module, which allows a remote malicious user to cause a Denial of Service attack...

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: avoiding division by zero in FBIOPUTVSCREENINFO Much like the commit 19f953e74356 “fbdev: fbpm2fb: Avoiding potential division-by-zero errors”, we also need to prevent the same crash from occurring in the udlfb...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tpm: Makes TPM character devices non-seekable. TPM character devices expose a sequential command/response interface. However, their open handlers leave FMODEPREAD and FMODEPWRITE enabled. After a command leaves a response pending...

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: netdevsim: prevented bad user input in nsimdevhealthbreakwrite. If a zero count or a large number is provided, the kernel may crash...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle an error return when savagefbcheckvar fails. The commit 04e5eac8f3ab "fbdev: savage: Error out if pixclock equals zero" checks the value of pixclock to avoid a divide-by-zero error. However, the function...

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

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Fixed illegal access in pppasyncencode. syzbot reported an issue with pppasyncencode. In this case, pppoesendmsg is called with a zero size. Then, pppasyncencode is called with an empty skb. BUGs: - KMSAN: Uninit-value in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: A divide-by-zero error can occur in damonreclaimapplyparameters. When creating a new scheme for DAMONRECLAIM, the calculation of ‘minageregion’ uses ‘aggrinterval’ as the divisor, which may lead to a...

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: Input: uinput – Zero-initialize uinputff UploadCompat to avoid info leaks. The struct ffeffectcompat is embedded twice within uinputff UploadCompat and contains internal padding. In particular, there is a gap after struct ffrepla...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: zonefs: fixed zonefsiomapbegin for reads. If a readahead operation is issued on a sequential zone file with an offset that exactly equals the current file size, the iomap type is set to IOMAPUNWRITTEN, which will prevent any I/O...

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: Block: Prevent division by zero in blkrqstatsum The expression dst-nrsamples + src-nrsamples may have a value of zero during overflow. It is necessary to add a check to avoid division by zero. This issue was identified by the Lin...

Astra Linux – Vulnerability in OpenSSL

Issue summary: An invalid or NULL pointer dereference can occur in an application processing a malformed PKCS12 file. This can lead to a Denial of Service attack. Impact summary: An application processing a malformed PKCS12 file may inadvertently dereference an invalid or NULL pointer during memo...

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: net: let netcore.devweight always be non-zero The following problem was encountered during stability testing: NULL netdevice: The NAPI poll function processbacklog+0x0/0x530 returned 1, exceeding its budget of 0. ------------ Cut...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: brcmstb: Fixed the error handling path after a call to regulatorbulkget. If regulatorbulkget returns an error and no regulators are created, we need to set their number to zero. If we do not perform this action, and the PCIe...

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: objtool, media: dib8000: Prevent division by zero in dib8000setdds. If the call to dib8000read32 by dib8000setdds returns zero, it will lead to a division by zero. This issue should be prevented. The following warning has also be...

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: Squashfs: check the return result of sbminblocksize Syzkaller reports a bug named “UBSAN: out-of-bounds access in squashfsbioread”. Syzkaller forks multiple processes. After mounting the Squashfs filesystem, it issues an...