Astra Linux – Vulnerability in Mariadb 10.3

MariaDB Server before version 10.7 is vulnerable to Denial of Service attacks. In the file extra/mariabackup/dsxbstream.cc, when an error occurs e.g., streamctxt-destfile == NULL while executing the xbstreamopen method, the held lock is not released properly. This allows local users to trigger a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed the xarray locking mechanism in nfsnetfsissueread for writeback interrupts. The loop within nfsnetfsissueread currently does not disable interrupts during the iteration of pages in the xarray to perform NFS reads. This...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In multiple functions of iouring.c, there is a possibility of kernel memory corruption due to improper locking. This could lead to a local escalation of privileges in the kernel, as execution privileges are required. User interaction is not necessary for exploiting this vulnerability...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: dlmfs: Fixed error handling for userdlmDestroyLock. When userdlmDestroyLock fails, it does not clean up the flags it set before exiting. For the USERLOCKINTEARDOWN condition, if this function fails because the lock is...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: interconnect: Fixed locking issues related to runpm vs. reclaim. For cases where iccbwset can be called in paths that may lead to deadlocks with shrinker/reclaim, such as during runpm resume, we need to separate the icc lockin...

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: dma: xilinxdpdma: Fixing locking issues There are several places where either chan-lock or chan-vchan.lock was not held. Appropriate locking measures were added. This fixes lockdep warnings such as: 31.077578 ------------ Cut...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: fixed a UAF vulnerability by acquiring the blkcg lock before destroying the blkg. KASAN reports a use-after-free issue during the fuzz test: 693354.104835...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw occurs during the processing of SMB2SESSIONSETUP and SMB2LOGOFF commands. The issue arises due to the lack of proper locking when performing operations on an object. An...

Astra Linux – Vulnerability in Mariadb 10.3

MariaDB Server before version 10.7 is vulnerable to Denial of Service attacks. In the file extra/mariabackup/dscompress.cc, when an error occurs pthreadcreate returns a non-zero value during the execution of the createworkerthreads method, the held lock is not released properly. This allows local...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: phy: Transfer phyconfiginband has the responsibility of acquiring &phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix lock ordering in btrfszoneactivate The btrfs CI reported a lockdep warning as follows when running generic/129. WARNING: A circular locking dependency was detected. 6.7.0-rc5+ 1 Not tainted...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element during updates, before locking the target hash table bucket. Immediately afterwards, the maps attempt to lock the bucke...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed recursive locking in RPC handle list access Since commit 305853cce3794 “ksmbd: Fixed race condition in RPC handle list access”, the ksmbdsessionrpcmethod function attempts to lock sess-rpclock. This causes hung...

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: “aoe”: avoided potential deadlock at setcapacity. setcapacity has been moved outside of the section protected by &d-lock. This prevents possible unsafe locking scenarios due to interrupts. Here’s the sequence of events: 1...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw exists in the processing of SMB2TREEDISCONNECT commands. The issue arises due to the lack of proper locking when performing operations on an object. An attacker can exploit...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: mcast: fixed a data race in ipv6mcdown / mldifcwork. idev-mcifccount can be written without proper locking. Originally reported by syzbot 1. This issue was fixed by encapsulating calls to mldifcstopwork and mldgqstopwork...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerability has been resolved: interconnect: Do not access reqlist while it’s being manipulated. The icclock mutex was split into separate icclock and iccbwlock mutexes in 1 to avoid lockdep splats. However, this did not adequately protect access to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: USB: core: Prevent nested device-reset calls Automatic kernel fuzzing revealed a recursive locking violation in usb-storage. ============================================ WARNING: Possible recursive locking detected 5.18.0 3 No...

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: btrfs: The release path is checked before inode lookup during the ino lookup ioctl operation. During the ino lookup ioctl operation, we may call btrfsiget to obtain an inode reference while we are holding onto the root’s btree...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - rxrpc: Fixed the locking mechanism in rxrpc’s sendmsg function. - Three bugs were fixed in the implementation of rxrpc’s sendmsg function: 1 The rxrpcnewclientcall function should release the socket lock when returning an...