Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: x86: Fixed a stack-out-of-bounds memory access from ioapicwriteindirect. KASAN reports the following issue: BUG: In kvmmakevcpusrequestmask+0x174/0x440 kvm, there is a stack-out-of-bounds situation. A read of size 8 at...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: A overflow issue was fixed in the bitmapipcreate function before the bitmap was widened. When firstip is 0, lastip is 0xFFFFFFFF, and the netmask is 31, the value of an arithmetic expression 2 netmask - maskbits...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md/md-bitmap: corrected incorrect usage of sbindex The commit d7038f951828 “md-bitmap: do not use -index for pages backing the bitmap file” removed page-index from the bitmap code. However, incorrect code logic was retained fo...

Astra Linux – Vulnerability in libsdl2

SDL Simple DirectMedia Layer version 2.0.12 has a heap-based buffer over-read issue in the function Blit3or4to3or4inversedrgb in the file video/SDLblitN.c, caused by a malicious .BMP file...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid using f2fsbugon in f2fsnewnodepage. As reported by Dipanjan Das , syzkaller discovered a bug in f2fs as follows: RIP: 0010:f2fsnewnodepage+0x19ac/0x1fc0 fs/f2fs/node.c:1295 Call Trace: writeallxattrs...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the block bitmap of the group is corrupted is now placed under the protection of the group lock, thereby avoiding the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Regenerate the buddy structure after block freeing fails when under fc replay. This fix primarily reverts to commit 6bd97bf273bd “ext4: Remove redundant mbregeneratebuddy”, and reintroduces the function mbregeneratebuddy...

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: md/raid10: check slab-out-of-bounds in mdbitmapgetcounter If we write a large number to md/bitmapsetbits, mdbitmapcheckpage will return -EINVAL because ‘page = bitmap-pages’. However, the returned value was not checked immediatel...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid dividing by 0 in the mbupdateavgfragmentsize function when the block bitmap is corrupted. Determine whether to set bbfragments to 0 instead of determining bbfree to eliminate the risk of dividing by zero when the bloc...

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

In the Linux kernel, the following vulnerability has been resolved: s390/ap: Fixed a crash in the AP internal function modifybitmap A system crash occurred as follows: Failure address: 200000cb7df6f000 TEID: 200000cb7df6f403 Fault occurred in the home space mode while using the kernel ASCE...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: exfat: Check if the cluster number is valid. Syzbot reported a slab-out-of-bounds read in exfatclearbitmap. This issue was triggered when the reproducer called truncute with a size of 0, resulting in the following error messag...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfconntrackh323: Added protection against bmp length being out of range. The UBSAN load reports an exception due to bitwise shifts that are out of bounds for their data type. vmlinux getbitmapb=75 + 712 vmlinux...

Astra Linux – Vulnerability in imagemagick

ImageMagick is a open-source software suite for displaying, converting, and editing raster image files. In versions of ImageMagick prior to 7.1.2-7 and 6.9.13-32, there is an integer overflow vulnerability in the BMP decoder on 32-bit systems. The vulnerability occurs in the coders/bmp.c file,...

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: netfilter: ipset: A missing range check was added in bitmapipuadt. When tbIPSETATTRIPTO is not present, but tbIPSETATTRCIDR exists, the values of ip and ipto are slightly swapped. As a result, the range check for ip should be...

Astra Linux – Vulnerability in htmldoc

A buffer under-reading issue based on stacks in the htmldoc before version 1.9.12 allows attackers to cause a denial of service by using a crafted BMP image with the imageloadbmp function...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021619)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021619 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracingcpumaskwrite If a large count is provided, it will trigger ...

freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId

A heap based buffer overflow flaw has been discovered in FreeRDP. This client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmapcacheput. A malicious server can send a CACHEBITMAPORDER Rev1 with cacheId equal to maxCells,...

dnsmasq: NSEC bitmap parsing infinite loop

A denial of service vulnerability was discovered in dnsmasq's DNSSEC validation. When parsing NSEC and NSEC3 bitmap records, the window iteration logic fails to account for the 2-byte window header when advancing through the bitmap data. A specially crafted DNS response with a zero-length bitmap...

freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId

A heap based buffer overflow flaw has been discovered in FreeRDP. This client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmapcacheput. A malicious server can send a CACHEBITMAPORDER Rev1 with cacheId equal to maxCells,...

dnsmasq: NSEC bitmap parsing infinite loop

A denial of service vulnerability was discovered in dnsmasq's DNSSEC validation. When parsing NSEC and NSEC3 bitmap records, the window iteration logic fails to account for the 2-byte window header when advancing through the bitmap data. A specially crafted DNS response with a zero-length bitmap...