Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fixed an issue with the data length underflow in SKB structures. A BUGON will be triggered in the include/linux/skbuff.h file, resulting in intermittent kernel panics when a data length underflow is detected. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fixed a race condition in SNDCTLDSPSYNC There is a small race condition in the sndpcmosssync function, which is called from OSS PCM SNDCTLDSPSYNC ioctl. Specifically, the function calls sndpcmossmakeready first, a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ovl: Use the “buf” flexible array as the destination for memcpy. The “buf” flexible array must be used as the destination for memcpy to avoid false positive run-time warnings caused by the recent FORTIFYSOURCE hardening measures:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Skipping the “reserved bytes” warning after unmounting after a log cleanup failure. After the recent changes made by commit c2e39305299f01 “btrfs: clearing the extent buffer when writing fails” and its follow-up fix,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid cycles in the h-tree A maliciously corrupted filesystem can contain cycles in the h-tree stored inside a directory. This can easily lead to the kernel corrupting tree nodes that have already been verified during...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. There is an out-of-bounds read and an OOPS error for SMB2write, when a large length is present in the zero DataOffset case. source-iocs-preserved const=SMB2WRITE...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: A memory leak was avoided in the magicmousereportfixup function. The magicmousereportfixup function returned a buffer that was allocated using kmemdup. However, this buffer was never freed. The caller of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential memory leak in DMUB hwinit Why When resuming, we perform DMUB hwinit, which allocates memory using dmresume-dmdmubhwinit-dcdmubsrvcreate-kzalloc. This results in a memory leak in suspend/resume...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: Fixed an issue where the clientcount variable was incremented twice for public channels when dmachanget was called for a channel. This occurred first in balancerefcount, and again before returning. As a result, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gpio: wcd934x – Fixed the out-of-bounds shift error. The bit mask for pins 0 to 4 is actually BIT0 to BIT4, but we ended up using BITn – 1, which is incorrect. This issue was caught by the UBSAN check. UBSAN: Out-of-bounds shi...

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

In the Linux kernel, the following vulnerability has been resolved: vcscreen: The load of the struct vcdata pointer in vcsread was moved to avoid a Use-After-Free UAF condition. After a call to consoleunlock in vcsread, the struct vcdata structure can be freed using vcdeallocate. Therefore, the...

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

A issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before version 6.4.10. There is a use-after-free issue, as the children of a sk object are handled incorrectly...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetrbtree: Fixed an issue with overlapping expiration walks. The lazy garbage collection during insertion, which should remove entries when the timeout occurs, fails to properly release the remaining part of the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: adc: adi-axi-adc: Fixed the refcount leak in adiaxiadcattachclient. The ofparsephandle function returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Add the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: HID: betop: fixed a slab-out-of-bounds Write issue in betopprobe. Syzbot reported a slab-out-of-bounds Write bug in the hid-betopff driver. The issue arises because the driver assumes that the device must have an input report;...

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: afunix: Fixed data races related to user-unixinflight. user-unixinflight is updated under spinlockunixgclock, but toomanyunixfds accesses it without locking. Let’s annotate the write/read accesses to user-unixinflight. BUG:...

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

In the Linux kernel, the following vulnerability has been resolved: net: nsh: Use the correct macoffset to unwind the gsoskb in nshgsosegment. As shown in the call trace, the skbpanic occurred due to an incorrect skb-macheader in nshgsoSegment. Invalid opcode: 0000 1 PREEMPT SMP KASAN PTI CPU: 3...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed the function prototype mismatch for ext4featktype. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to ensure that th...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix use after free for wext The key information in wext.connect is not reset upon reconnection, and this can retain data from a previous connection. Resetting the key data prevents drivers or mac80211 from...