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

In the Linux kernel, the following vulnerability has been resolved: ALSA: Timer – Setting a lower limit on the start tick time Currently, the ALSA timer does not have a lower limit for the start tick time. It allows a very small size, for example, 1 tick with a resolution of 1 ns for the hrtimer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a UAF in smb20oplockbreakack. removed references after using opinfo...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Do not abort the filesystem when attempting to take a snapshot of a deleted subvolume. If the source file descriptor for the snapshot ioctl refers to a deleted subvolume, the following abort occurs: BTRFS: Transaction...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sctp: clear outcurr if all fragment chunks of the current message are pruned. A crash was reported by Zhen Chen: - Listdel corruption: ffffa035ddf01c18-next is NULL. - Warning: CPU: 1; PID: 250682; Location: lib/listdebug.c:49...

Astra Linux – Vulnerability in Linux 5.10, Linux

The non-transparent sharing of return predictor targets between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.10

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 found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: iio: trigger: sysfs: fix use-after-free on remove Ensure that the irqwork has completed before the trigger is freed. ================================================================== BUG: KASAN: use-after-free in irqworkrunli...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mm,hugetlb: Take the hugetlblock before decrementing h-resvhugepages. The h-hugepages counters are protected by the hugetlblock, but allochugepage has a corner-case scenario where it can decrement the counter outside of the lock...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFSv4.2: fixed issues related to nfs42sscopen. A destination server, when performing a COPY operation, should not accept the passed-in filehandle if it is not a regular filehandle. If the allocfilepseudo function fails, we nee...

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: tun: limits the printing rate when an illegal packet is received by the tun device. vhostworker calls tun callbacks to receive packets. If too many illegal packets arrive, tundoread continues to dump the packet contents. When...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: rt2x00 – The beacon queue is restarted when a hardware reset occurs. When a hardware reset is triggered, all registers are reset, causing all queues to be stopped in the hardware interface. However, mac80211 does not...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: md: The mdstopwrites function is called in mdstop. From the link 1, we can see that raid1d was still running even after the path raiddtr - mdstop - mdstop. Let’s stop writing data first in the destructor, to align with the normal...

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

In the Linux kernel, the following vulnerability has been resolved: Ring-Buffer: Sync-IRQ works before the buffer is destroyed. If something was written to the buffer just before its destruction, it may be possible—though not in a real system—to destroy the ringbuffer before the IRQ-related...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: qede: ensure that the skb is allocated before use. qedebuildskb assumes that buildskb always works and proceeds directly to skbreserve. However, buildskb may fail under memory pressure. This results in a kernel panic because the...

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

In the Linux kernel, the following vulnerability has been resolved: NFSD: Defined a proc-layout commit for the FlexFiles layout type. Avoid a crash if a pNFS client happens to send a LAYOUTCOMMIT operation on a FlexFiles layout...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: misc: vmwballoon: A memory leak has been fixed by using debugfslookup. When calling debugfslookup, the result must have dput called upon it; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: scsi: mpt3sas: Fixed the use-after-free warning. Fixed the following use-after-free warnings that were observed during controller reset: refcountt: Underflow; use-after-free. WARNING: CPU: 23; PID: 5399; Location:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/secvar: A refcount leak has been fixed in formatshow. A refcount leak occurs when formatshow returns an error in multiple cases. Unified management of ofnodeput can fix this issue...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: imx: Do not skip cleanup in the error path of the remove function Returning early in the remove callback of a platform driver is incorrect. In this case, the DMA resources are not released during the error path. This issue i...