Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: vub300: fix warning – do not call blocking ops when !TASKRUNNING vub300enablesdioirq works with a mutex and requires TASKRUNNING to function properly. Ensure that we mark the current context as TASKRUNNING for sleepable...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: sched/deadline: Only the freecpus field is set for online runqueues. Commit 16b269436b72 “sched/deadline: Modified cpudl::freecpus to reflect rd-online“” introduced the cpudlset/clearfreecpu functions, allowing the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A flaw was discovered in the Linux kernel. A denial-of-service attack may occur if a consecutive request for NVMEIOCTLRESET and NVMEIOCTLSUBSYSRESET is made through the device file of the driver, resulting in a disconnection of the PCIe link...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable code execution vulnerability in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can exploit a logical flaw and out-of-bounds heap operations, leading to code execution. An attacker can provide a malicious file to trigger this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: Do not perform operations on net devices that are not yet registered. There is a short period between when a net device starts to be unregistered and when it is actually gone. During that time frame, ethtool operations c...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock issue with buffermutex and mmaplock The syzbot tool detected a potential deadlock between the runtime-buffermutex and the mm-mmaplock. This issue arose due to the recent fix related to racy...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a use-after-free issue related to dynamic ftraceops. KASAN reported a use-after-free involving ftrace ops 1. It was discovered that perf had registered two ops with the same content, both being dynamic. After the...

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

In the Linux kernel, the following vulnerability has been resolved: Block: A check was added to ensure that the partition size must be aligned with the block size. Before calling the add partition or resize partition functions, there was no check to verify whether the partition size was aligned...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: sr – fixed possible use-after-free and nullptrderef issues. The pernet operations structure for the subsystem must be registered before registering the generic netlink family...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fixed Use-after-Free, failed to increment the ref count of the skb while it was in use. This patch addresses a Use-after-Free issue identified by the syzbot. The problem arises when a skb is taken from the per-session...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: BPF: Added schedule points in batch operations. SYZbot reported various soft lockups caused by BPF batch operations. INFO: Task kworker/1:1:27 was blocked for more than 140 seconds. INFO: Task hung during the rcubarrier...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Added a null pointer check for inode operations This adds a sanity check for the iop pointer of the inode, which is returned after reading the Root directory MFT record. We should check that the iop is valid before...

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: Nilfs2: Fixed a kernel bug caused by the lack of clearing of the “checked” flag. Syzbot reported that in directory operations, after Nilfs2 detects filesystem corruption and becomes read-only, blockwritebeginint may fail the BUGO...

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

In the Linux kernel, the following vulnerability has been resolved: net: avoid race conditions between device unregistration and ethl operations. The following error can occur if a device is unregistered while its channel count is being modified: DEBUGLOCKSWARNONlock-magic != lock WARNING: CPU: 3...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: Removed the RTNL dance for SIOCBRADDIF and SIOCBRDELIF. SIOCBRDELIF is passed to devioctl first, and then forwarded to brioctlcall. This causes unnecessary RTNL dance and a “splat” below 0 under RTNL pressure. Suppose...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: fixed the out-of-bounds error in the netns ops registration error path. If the netassigngeneric function fails, the current error path in opsinit attempts to clear the gen pointer slot. However, during this error path, the g...

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: nilfs2: Handled errors that nilfspreparechunk may return. This patch series addresses issues related to renaming operations. It fixes BUGON check failures reported by syzbot during renaming operations, as well as a minor...

Astra Linux – Vulnerability in mbedtls

A issue was discovered in Mbed TLS 2.x before 2.28.7, and in 3.x before 3.5.2. There was a timing-related side channel in RSA private operations. This side channel could allow a local attacker to recover the plaintext. It required the attacker to send a large number of messages for decryption, as...

Astra Linux – Vulnerability in opensc

A flaw was discovered in OpenSC packages that could allow for a potential PIN bypass. When a token/card is authenticated by one process, it can perform cryptographic operations in other processes when an empty zero-length PIN is passed. This issue poses a security risk, especially for OS...

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: -...