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

In the Linux kernel, the following vulnerabilities have been resolved: netrom: fixed a possible deadlock in nrrtioctl syzbot discovered a possible deadlock in nrrtioctl 1 Make sure we always acquire nrnodelistlock before nrnodelocknrnode 1 WARNING: a circular locking dependency was detected...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fixed a memory leak in seg6hmacinitalgo. seg6hmacinitalgo returns without cleaning up previously allocated memory. If this happens, all that memory will be leaked, potentially causing issues with crypto-related function...

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

In the Linux kernel, the following vulnerability has been resolved: ethtool: checks whether the device is present when obtaining link settings. A sysfs reader may race with a device that is reset or removed, attempting to read the device’s state when the device is not actually present. For exampl...

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

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed state management in the error path of the log writing function. After the commit a694291a6211 “nilfs2: separate the wait function from nilfssegctorwrite” was applied, the log writing function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Reenabling NETIFFIPV6CSUM offloading for BIG TCP packets The problematic commit disabled the hardware offloading of IPv6 packets with extension headers on devices that advertise NETIFFIPV6CSUM. This was based on the definiti...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: During vport deletion, an explicit async logout operation is required. During vport deletion, it was observed that an crash occurred due to stale entries in the outstanding command array. For all these stale I/O...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Makes rmwlock a rawspinlock. The following bug was triggered: ============================= Bug: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fixed an invalid progarray access in perfeventdetachbpfprog Syzbot reported a crash that occurs in the following tracing scenario: - Create a tracepoint with attr.inherit=1, attach it to the process, and set the BPF...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit/overflow: Fixed the UB in overflowallocationtest. The 'devicename' array does not exist outside the 'overflowallocationtest' function scope. However, it is being used as a driver name when calling 'kunitdrivercreate' from...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fixed a crash that occurs during unbinding if the gpio unit is in use. We used the wrong device for the functions that manage devices. We used the usb device, when we should have used the interface device. If we...

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

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use-after-free in lineinfochangednotify The use-after-free issue occurs as follows: When the GPIO chip device file is closed by invoking gpiochrdevrelease, the watchedlines object is freed by bitmapfree. Howeve...

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: pps: Fixed a use-after-free On a board running with ntpd and gpsd, I’m encountering a consistent use-after-free in sysexit from gpsd during reboots: pps pps1: Removed ----------- - Cut here----------- kobject: "null"...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: wifi: rtw88: Use ieee80211purgetxqueue to purge TX skb. When removing kernel modules using rmmod rtw888723cs rtw888703b rtw888723x rtw88sdio rtw88core, the driver uses skbqueuepurge to purge TX skb, but does not report the TX...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm/smu11: Prevent division by zero The user can set any speed value. If the speed is greater than UINTMAX/8, division by zero is possible. Found by the Linux Verification Center linuxtesting.org with SVACE. Cherry-picked...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A memory leak was fixed in the parseleasestate function. The previous patch that added a bounds check for the create lease context introduced a memory leak. When the bounds check fails, the function returns NULL, without...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Eliminate the window where the window in which TLB flushes may be inadvertently skipped. TL;DR: There is a window in the MM switching code where the new CR3 is set, and the CPU should receive TLB flushes for the new MM...

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: crypto: algifhash – fixed the double-free in hashaccept. If the accept2 function is called on the algifhash socket type with the MSGMORE flag set, and the cryptoahashimport fails, sk2 is freed. However, it is also freed in...

Astra Linux – Vulnerability in Linux

An out-of-bounds memory access flaw was discovered in the x25bind function in the net/x25/afx25.c file within the Linux kernel version v5.12-rc5. A failure in the bounds check allows a local attacker with a user account on the system to access out-of-bounds memory, resulting in a system crash or...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel’s implementation of string matching within packets. A privileged user with root or CAPNETADMIN status can insert rules into iptables, and this action may cause the system to panic. The issue affects kernels prior to version 5.5-rc1...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.10.1, as used with Xen up to version 4.14.x. The Linux kernel’s PV block backend expects the kernel thread handler to reset ring-xenblkd to NULL when the thread is stopped. However, the handler may not have enough time to execute if the...