Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: The ctx variable is initialized to avoid a memory allocation error. It is possible that the ctx variable in nfqnlbuildpacketmessage could be used before it is properly initialized. This initialization i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iio: accel: sca3300: fixed uninitialized iio scan data Fixed the potential leak of uninitialized stack data into the user space by ensuring that the channels array is cleared before use...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: Fixed a use-after-free bug by not setting udc-dev.driver. The syzbot fuzzer identified a use-after-free bug: BUG: KASAN: Use-after-free in devuevent+0x712/0x780 drivers/base/core.c:2320. A memory read of size 8 at...

Astra Linux – Vulnerability in Twisted

Twisted is an event-based framework for internet applications, compatible with Python 3.6+. Before version 22.4.0rc1, the Twisted Web HTTP 1.1 server, located in the twisted.web.http module, parsed several HTTP request constructs more leniently than allowed by RFC 7230. This non-conformant parsin...

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: afunix: Clearing stale u-oobskb. Syzkaller began reporting a deadlock of unixgclock after the commit 4090fa373f0. However, this only reveals the bug that had been present since the commit 314001f0bf92 “afunix: Adding OOB support”...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: preventing buffer overflow in hidhwrequest. Currently, the returned value is considered to be always valid. However, when working with HID-BPF, the returned value can be arbitrarily large, because it is the returned val...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Prevent a use-after-free from occurring after the cdev removal. Since thermaldebugcdevremove does not run under cdev-lock, it can run in parallel with thermal Debugcdevstateupdate. This may free the struct therma...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Rejecting out-of-bounds values in sndsocputvolsw We currently do not validate whether the values being set are within the range that we have announced to userspace as valid. Instead, we reject any values that are out o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: fix crash after fscryptencryptpagecacheblocks error The function movedirtyfolioinpagearray was created by the commit ce80b76dd327 "ceph: introduce cephprocessfoliobatch method". The code for this function was moved from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: Initialize the work queue before error checks. A kernel warning is prevented when the netconsole setup fails on devices with the IFFDISABLENETPOLL flag. The warning occurs because the cleanup process attempts to...

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: i40e: Fixed the issue where “vf” might be used without initialization in this function. To address the regression introduced by commit 52424f974bc5, which causes servers to hang under very difficult-to-reproduce conditions due...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Use an alternative source for socket to node data. The UV code attempts to create a set of tables to enable bidirectional socketnode lookups. However, when nrcpus is set to a smaller number than the actual number...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fixed a race condition that could lead to UAF in sndusbmidifree. The previous commit 0718a78f6a9f “ALSA: usb-audio: Properly terminates the timer upon endpoint deletion” fixed an UAF issue caused by the error...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: A deadlock occurs when the svm range restore operation is performed at process exit. The code kfdprocessnotifierrelease flushes svmrangerestorework, which in turn calls svmrangelistlockandflushwork to flush...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Return queued buffers on startstreaming failure Buffers are returned if streaming fails to start due to a uvcpmget error. This bug may be responsible for the warning I received when running: while :; do yavta -c3...

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: preventing soft lockup during flush writes Currently, there is no limit for plugged bio in raid1/raid10. While performing flush writes, raid1 uses condresched, whereas raid10 does not. Too many writes can cause a soft...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed the warning related to sk-skforwardalloc in skstreamkillqueues. When running testsockmap in selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205...

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

A use-after-free vulnerability in the Linux kernel’s netfilter:nftables component can be exploited to achieve local privilege escalation. The nftverdictinit function allows positive values as drop errors within the hook verdict, and thus the nfhookslow function can cause a double-free vulnerabili...

Astra Linux – Vulnerability in Tomcat9

The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61, or 7.0.0 to 7.0.107, the Tomcat instance was still vulnerable to CVE-2020-9494, even when using a configuration edge case that was highly unlikely to be used. It should be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/ras: Fixed the device confusion related to the CPER handler. Upon inspection, the cxlcperhandleproterr function makes several fragile assumptions that can lead to crashes: 1. It assumes that the endpoints identified in the...