Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi.debug: A sanity check was performed to ensure that the block descriptor length in respmodeselect was valid. BUG: KASAN: A use-after-free condition occurred in respmodeselect+0xa4c/0xb40, located in...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: fixed the issue of null pointer dereferencing on the pointer block. The pointer block returns from sndgf1dmanextblock, and it may be null. Therefore, there is a potential issue of null pointer dereferencing. This issue...

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 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed potential OOBs in smb2ParseContexts Validated offsets and lengths before dereferencing to create contexts in smb2ParseContexts. This fix addresses the following OOPs when accessing invalid create contexts fr...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG. This fix should apply to most URSAN bugs that were recently detected by syzbot, by addressing the issue related to dbMount. Since syzbot is allegedly feeding invalid data into the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: The queuelock must be held when removing blkg-qnode. When blkg is removed from q-blkglist in the blkgfreeworkfn function, the queuelock must be held. Otherwise, various bugs such as list corruption, hard lockups, etc...

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: btrfs: fixed the issue where a new block group that becomes unused after creation could lead to a use-after-free condition. If a task creates a new block group and that block group becomes unused before it is fully created, durin...

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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: Keep the NOCHDCP clock enabled. Keep the NOCHDCP clock always enabled to address the potential hang caused by the NoC ADB400 port power-down handshake...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: A memory leak occurs when disabling an interface. When disabling the TX rings, we flush those rings but forget to reclaim the flushed packets. This leads to a memory leak, as we do not free the DMA-mapped buffers. Th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fscrypt: fixed an underflow issue during left shift when inode-iblkbits PAGESHIFT When simulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, an error trace appears during partition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a chunk map leak in btrfsmapblock after btrfschunkmapnumcopies. Fixed a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we are not freeing the chunk map that we just looked up...

Astra Linux – Vulnerability in Linux, Linux 5.10

Rogue backends can cause Denial of Service DoS attacks on guests through high-frequency events. This CNA information record relates to multiple Common Vulnerabilities and Exposures CVEs; the text explains which aspects/vulnerabilities correspond to which CVEs. Xen allows for the execution of PV...

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

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

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

Astra Linux – Vulnerability in NBD

In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBDOPTINFO or NBDOPTGO message with a large value as the length of the name...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a null pointer panic in the tracepoint of replaceatomicwriteblock. A kernel panic occurs when oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: Null pointer dereferencing in the kernel; address:...

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

In the Linux kernel, the following vulnerability has been resolved: i2c: i801 – Fixed block process call transactions. According to the Intel datasheets, software must reset the block buffer index twice for block process call transactions: once before writing the outgoing data to the buffer, and...

Astra Linux – Vulnerability in Linux 6.1

A out-of-bounds read vulnerability was discovered in smb2dumpdetail in the fs/smb/client/smb2ops.c file within the Linux kernel. This issue could allow a local attacker to crash the system or leak internal kernel information...