Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: riscv: fixed the reserved memory setup Currently, RISC-V sets up reserved memory using the “early” copy of the device tree. As a result, when trying to access a reserved memory region using ofreservedmemlookup, the pointer to the...

Astra Linux – Vulnerability in Linux 5.15

The following vulnerability has been resolved in the Linux kernel: btrfs: fixed an issue with the tree mod log handling of reallocated nodes. We have observed the following panics in production: - Kernel bug at fs/btrfs/tree-mod-log.c:677! - Invalid opcode: 0000 1 SMP - RIP:...

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

A race condition was detected in the Bluetooth device driver of the Linux kernel’s min,maxkeysizeset function. This can lead to a null pointer dereferencing issue, potentially causing a kernel panic or a denial-of-service attack...

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

In the Linux kernel, the following vulnerabilities have been resolved: TCP: Add sanity checks to rx zerocopy The purpose of TCP rx zerocopy is to map pages that are initially allocated by NIC drivers, not pages owned by a file system. This patch adds the following additional checks to canmapfrag:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/smc: fixed the issue where NULL sndbufdesc was used in smccdctxhandler. When performing a stress test on SMC-R using the rmmod mlx5ib driver during the wrk/nginx test, we found that there is a possibility of triggering a pani...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Avoid device tree lookups in rtasosterm. rtasosterm is called during panic. Its behavior depends on several conditions in the /rtas node of the device tree; traversing these nodes involves locking and changes to loc...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: DSA: QCA8K: resetting the CPU port when the MTU changes. It was discovered that the documentation lacks a fundamental detail regarding how to correctly change the MAXFRAMESIZE of the switch. In fact, if the MAXFRAMESIZE...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the AMD nested virtualization SVM feature of the KVM. A malicious L1 guest could intentionally fail to intercept the shutdown of a cooperative nested guest L2, potentially causing a page fault and kernel panic in the host L0...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the JFS filesystem code within the Linux kernel, which allows a local attacker to cause the system to panic by enabling the ability to set extended attributes. This can lead to memory corruption or an escalation of privileges. The most significant threat posed by this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tipc: Fixed the divide-by-zero issue in tipcskfilterconnect. Users can set conntimeout to any value using setsockoptTIPCCONNTIMEOUT, including values less than 4. When a SYN request is rejected with TIPCERROVERLOAD, and the retry...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fix to ensure that the LED is cleaned up when btinit fails. The btinit function calls btledsinit to register the LED. However, if this call fails later, the btledscleanup function is not called to unregister the LED...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: A panic occurs when an IPv4 route references a loopback IPv6 nexthop. When a standalone IPv6 nexthop object is created with a loopback device e.g., “ip -6 nexthop add id 100 dev lo”, the fib6nhinit function misclassifi...

Astra Linux – Vulnerability in containerd-app

Due to a missing nil check, sending HTTP/2 frames with values 0x0a-0x0f will cause a running server to panic...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check that the endpoint is valid before dereferencing it. When the host controller is not responding, all URBs queued to all endpoints need to be terminated. This can cause a kernel panic if we attempt to dereference a...

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

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: configfs: A race condition in configfs,unregistersubsystem has been fixed. When configfsregistersubsystem or configfsunregistersubsystem executes linkgroup or unlinkgroup, it is possible for two processes to add or delete element...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Updates the kcb status flag after single-stepping. The kprobes function is fixed to update the kcb kprobes control block status flag to KPROBEHITSSDONE, even if the kp-posthandler is not set. This bug may cause a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath10k: avoiding NULL pointer errors during sdio removal When running ‘rmmod ath10k’, ath10ksdioremove will free the sdioworkqueue by calling destroyworkqueue. However, if CONFIGINITONFREEDEFAULTON is set to yes, a kernel...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to perform sanity checks on inline inode. Yanming reported a kernel bug on Bugzilla Kernel 1, which can be reproduced. The bug message is as follows: The kernel message is displayed as follows: Kernel BUG at...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to perform a sanity check on the inlinedots inode. As Wenqing reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215765 This issue causes a kernel panic when performing the following actions: -...