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: ftrace: Avoid potential division by zero in the functionstatshow function. Check whether the denominator expression x x - 1 1000 mod 2^32, 2^64 results in zero, and skip the calculation of stddev in such cases. For now, don’t wor...

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, 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 found in Linux 6.1, 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 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 a divide-by-zero in dib8000setdds. If the call to dib8000read32 by dib8000setdds returns zero, it will lead to a divide-by-zero. This issue needs to be addressed. 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: iio: imu: stlsm6dsx: fixed a possible lock-up in stlsm6dsxreadtaggedfifo This issue was addressed by preventing stlsm6dsxreadtaggedfifo from falling into an infinite loop when case patternlen is equal to zero and the device’s FIF...

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: shift-out-of-bounds in squashfsbioread”. Syzkaller forks multiple processes. After mounting the Squashfs filesystem, it issues an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mapletree: Fixed the MASTATEPREALLOC flag in maspreallocate. The preallocation flag is temporarily cleared when explicit requests for allocations are made. Existing allocations are already counted against the request through...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Fixed the issue where uninitialized values were used in the extentinfo structure during the isextentmergeable and isbackmergeable functions, through the read extent tree path. The root cause of the issue is that the...

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero errors In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from the user. Then, the functions fbsetvar and info-fbops-fbcheckvar will be called, which might...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fixed the null-ptr-deref issue in hugetlbfsParseParam Syzkaller reported a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Do not allow overwriting of ENDPOINT0 attributes A malicious USB device can construct a service connection response message with the target endpoint being ENDPOINT0, which is reserved for HTCCTRLRSVDSVC and should n...

Astra Linux – Vulnerability in libtar

An attacker who submits a crafted tar file with a size of 0 in the header struct may be able to trigger a call to malloc0 for a variable named gnulonglink, resulting in an out-of-bounds read...

Astra Linux – Vulnerability in libtar

An attacker who submits a crafted tar file with a size of 0 in the header struct field may be able to trigger a call to malloc0 for the variable gnulongname, resulting in an out-of-bounds read...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: Zero padding when dumping algorithms and encap templates. When copying data to user-space, we must ensure that only valid data is copied. Padding in structures may contain random potentially sensitive data and should never ...

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 Wireshark

In Wireshark versions up to 3.2.7, the Facebook Zero Protocol also known as FBZERO dissector could enter an infinite loop. This issue was addressed in the epan/dissectors/packet-fbzero.c file by correcting the implementation of offset advancement...

Astra Linux – Vulnerability in LibreOffice

LibreOffice supports digital signatures for ODF documents and macros within documents. It provides visual indicators that confirm that the document has not been altered since the last signature, and that the signature is valid. A vulnerability in certificate validation in LibreOffice allowed...