Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Associating skb with a device at tx. Syzkaller triggered a flow dissector warning with the following code: c r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e,...

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: can: j1939: j1939sessionnew: fix skb reference counting Since j1939sessionskbqueue performs an additional skbget operation for each new skb, doing the same operation for the initial skb in j1939sessionnew will prevent refcount...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: bcmgenet: Use stronger register read/writes to ensure proper ordering. GCC12 seems to be much more efficient in tracking dependencies. It recognizes that relaxed variants are merely normal loads and stores, which is causi...

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: Fixed the VMBUGONPAGE issue PagePoisonedpage when unmisting memory was performed. When I conducted memory failure tests, the following panic occurred: Page dumped because: VMBUGONPAGEPagePoisonedpage. Kernel BU...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “block, bfq”: fixed a potential UAF issue for “bfqq-bic” in “bicsetbfqq”. After the commit “64dc8c732f5c” “block, bfq: fix possible UAF for ‘bfqq-bic’”, “bic-bfqq” will be accessed in “bicsetbfqq”. However, in some contexts,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: block: Fixed the issue of iterating over an empty bio with bioforeachfolioall. If the bio contains no data, biofirstfolio calls pagefolio using a NULL pointer, resulting in a buffer overflow error. We’ve moved the test that check...

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

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed to avoid dirent corruption As Al reported in link 1: f2fsrename … if olddir != newdir && !whiteout f2fssetlinkoldinode, olddirentry, olddirpage, newdir; else f2fsputpageolddirpage, 0; You need the correct inumber i...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed a slab-out-of-bounds issue in initsmb2rsphdr When smb1 mounting fails, KASAN detects a slab-out-of-bounds issue in initsmb2rsphdr, as follows. For smb1’s negotiate56 bytes, initsmb2rsphdr is called for smb2. The issu...

Astra Linux – Vulnerability in WebKit2GTK

A correctness issue was addressed through improved checks. This issue has been fixed in macOS Sonoma 14, Safari 17, iOS 17, and iPadOS 17. Processing web content may lead to arbitrary code execution...

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: UDF: Fixed uninitialized array access for some pathnames For filenames that start with . and are between 2 and 5 characters long, the UDF charset conversion code would read uninitialized memory from the output buffer. The only...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fixed the issue of null pointer dereferencing of the pointer perfmon. In the unlikely event that the pointer perfmon is null, the WARNON function is called after the pointer has already been dereferenced. This issue is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented possible UAF in ip6xmit If skbexpandhead returns NULL, the skb has been freed, and the associated dst/idev may also have been freed. We must use rcureadlock to prevent possible UAF...

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

In the Linux kernel, the following vulnerability has been resolved: btrfs: A potential out-of-bounds write has been avoided in the btrfsencodefh function. The btrfsencodefh function does not properly handle the three possible cases it processes. Before writing to the file handle fh, the function...

Astra Linux – Vulnerability in p7zip, 7zip

7-Zip is a file archiver with a high compression ratio. Versions 26.00 and earlier contained a heap buffer overflow vulnerability caused by an under-allocation in the NTFS compressed stream buffer GetCuSize shift UB. This vulnerability could allow attackers to execute arbitrary code or cause...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mlxsw: Minor fix for a potential memory leak in mlxswmlinecardsinit. The line cards array is not freed during the error path of mlxswmlinecardsinit, which could lead to a memory leak. This issue was addressed by freeing the array...

Astra Linux – Vulnerability in libzstd

Starting from v1.4.1 and before v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and immediately restricted those permissions afterward. As a result, the output files could temporarily be readable or writable by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gem: The i915gemcontext link is now moved under ref protection. i915perf assumes that it can use the i915gemcontext reference to protect its i915-gem.contexts.list iteration. However, this requires that we do not remo...

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: ALSA: us122l: Use sndcardfreewhenclosed instead of sndcardfreewhenclosed. The USB disconnect callback should be short and not too long. Alternatively, the current code uses sndcardfree at the time of disconnection, but this waits...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gstmatroskademuxupdatetracks function within matroska-demux.c. The vulnerability occurs when the gstcapsisequal function is called with invalid caps...