Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nullblk: Fixed a issue where a NULL pointer dereference occurred when configuring ‘power’ and ‘submitqueues’. Writing ‘power’ and ‘submitqueues’ concurrently would trigger a kernel panic. Test script: bash modprobe nullblk...

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

In the Linux kernel, the following vulnerability has been resolved: md: Fix for softlockup when the bitmap size is less than the array size. It is reported that for dm-raid10, the command lvextend followed by --syncaction will trigger a softlockup. The error message is as follows: kernel:watchdog...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Verify that the size of orphan files is not too large. In principle, orphan files can be arbitrarily large. However, orphan replay operations need to traverse those files, and all their buffers are stored in memory...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: refuses to create an EA block when umounted. The EA block expansion needs to access sroot, but sroot is already set to NULL when umount is triggered. This request is refused to avoid panic conditions...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the error in the length of the VALIDATENEGOTIATEINFO message. The commit code d5c7076b772a includes the following changes: - Added smb3.1.1 to the default dialect list. - Extended the number of dialects from 3 to 4. -...

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

In the Linux kernel, the following vulnerability has been resolved: Block: A check was added to ensure that the partition size must be aligned with the block size. Before calling the add partition or resize partition functions, there was no check to verify whether the partition size was aligned...

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 group with a corrupted block bitmap in ext4mbtrybestfound. Determine whether the group block bitmap is corrupted before using acbex in ext4mbtrybestfound to prevent allocating blocks from a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: blk-mq: Fixed a possible memory leak when registering the ‘hctx’ variable failed. There is one issue that arises during fault injection tests: An unreferenced object with a size of 512 bytes: bash comm "insmod", pid 308021,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block, bfq: Fixed a possible Use After Free UAF for ‘bfqq-bic’. Our test report identified a UAF for ‘bfqq-bic’ in 5.10: Bug: KASAN: Use After Free in bfqselectqueue+0x378/0xa30 CPU: 6 PID: 2318352 Comm: fsstress Kdump: Loaded; N...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue of waiting for block writeback in the postread case. If the inode is compressed but not encrypted, the function f2fswaitonblockwriteback was not called properly, resulting in waiting for the GC-ed page...

Astra Linux – Vulnerability in OpenSSL

Issue Summary: When using the low-level OCB API directly with AES-NI or other hardware-accelerated code paths, inputs whose length is not a multiple of 16 bytes may leave the final partial block unencrypted and unauthenticated. Impact Summary: The last 1–15 bytes of a message may be exposed in...

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: pegasus-notetaker – fixed potential out-of-bounds access issues. In the pegasusnotetaker driver, the pegasusprobe function allocates the URB transfer buffer using the wMaxPacketSize value from the endpoint descriptor. An...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A infinite loop has been fixed in nilfsmdtgetblock. If the disk image that nilfs2 mounts is corrupted, and the virtual block address obtained through block lookup for a metadata file is invalid, nilfsbmaplookupatlevel may...

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

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: fixed the divide by 0 error in calclcoefs The issue arises when the value of u64 is set to cost.model, and then trying to perform a division operation. This could lead to a divide by 0 error. Example: echo 8:0...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nbd: The issue of task hanging when the signal interrupt nbdstartdeviceioctl occurs has been fixed. The following program is a simplified version of the reproducer function: c int mainvoid int sv2, fd; if socketpairAFUNIX,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: The cfg80211rfkillblockwork function is not canceled when wiphy is being unregistered. There is a use-after-free error in cfg80211shutdownallinterfaces, detected by Syzkaller. Bug: KASAN: Use-after-free in...

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: usb: storage: sddr55: Reject out-of-bound newpba This issue was discovered by Atuin – the Automated Vulnerability Discovery Engine. newpba is derived from the status packet returned after each write operation. A malicious device...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not set EXT4GETBLOCKSCONVERT when splitting an unwritten extent before submitting I/O. When allocating blocks during within-EOF DIO and with dioreadnolock enabled, EXT4GETBLOCKSPREIO was set to split an existing unwritte...

Astra Linux – Vulnerability in Redis

Redis is an open-source, in-memory database that persists data on disk. Versions 8.2.1 and earlier allow an authenticated user to use a specially crafted Lua script to read out-of-bounds data or cause the server to crash, resulting in a denial of service attack. This vulnerability exists in all...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: seg6: Fixed the iif in the IPv6 socket control block. When an IPv4 packet is received, the iprcvcore... function sets the receiving interface index into the IPv4 socket control block v5.16-rc4, net/ipv4/ipinput.c, line 510: c...