Astra Linux – Vulnerability in Zeromq3

A flaw was discovered in the ZeroMQ server in versions prior to 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The greatest threat posed by this vulnerability is to confidentiality,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme-tcp: fixed a possible use-after-free issue in the transport errorrecovery process. While nvmetcpsubmitasynceventwork checks the ctrl and queue states before preparing the AER command and scheduling iowork, this check is...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fixed a NULL pointer dereferencing in nvmeallocadmintags. In nvmeallocadmintags, adminq can be set to an error typically -ENOMEM if the blkmqinitqueue call fails to set up the queue. This check is performed immediately...

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: netsched: skbprio: Removal of overly strict queue assertions. In the current implementation, the skbprio enqueue/dequeue operations contain assertions that fail under certain conditions when SKBPRIO is used as a child qdisc under...

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: refscale: Uninitialized use of waitqueueheadt was fixed. Running the refscale test occasionally causes the kernel to crash with the following error: 8569.952896 BUG: Unable to handle a page fault for address: ffffffffffffffe8...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hinic: fixed the issue of CMDQ memory leaks. When hinicsetcmdqdepth fails in hinicinitcmdqs, the CMDQ memory is not released correctly. This issue has been fixed...

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

In the Linux kernel, the following vulnerability has been resolved: TCP: Make sure init calls the spinlocks of the acceptqueue once. When I run the reproduction C program by syz locally, it causes the following issue: pvqspinlock: Lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19;...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: blk-mq: Ensure that the active queue usage is retained for biointegrityprep. The function blkintegrityunregister may be called if the queue usage counter is not retained for a bio with integrity prepared. This could lead to a...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled When QoS is disabled, the queue priority value will not map to the correct ieee80211 queue since there is only one queue. Stop/wake queue 0 when QoS is disabl...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: blk-mq: Fixed a possible memory leak when registering the ‘hctx’ variable failed. There is one issue that arises during fault injection tests: An unreferenced object with a size of 512 bytes: bash comm "insmod", pid 308021,...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones. However, if rxeqpfrominit fails, the QP fields may be filled with garbage, causing the followi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fixed the null-ptr-deref in neightableclear. When the IPv6 module is initialized, an error occurs in the middle. This results in a kernel panic with the following error message: KASAN: Nullptrderef in range...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fixed a use-after-free in epremovewaitqueue If a non-root cgroup is removed while there is a thread that registered a trigger and is polling on a pressure file within the cgroup, the polling waitqueue will be freed in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fixed NULL dereference in error cleanup. In watchqueuesetsize, the error cleanup code does not take into account the fact that freepage cannot handle a NULL pointer when trying to free buffer pages that have been...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Fix for queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates this assumption...

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: netsched: schsfq: Fixed a potential crash during handling of gsoskb. SFQ assumes that it is always able to queue at least one packet. However, after the committed change, sch-q.len can be inflated by packets in sch-gsoskb. An...

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: watchqueue: fix pipe accounting mismatch Currently, watchqueuesetsize modifies the pipe buffers allocated to user-pipebufs, without updating the pipe-nraccounted value on the pipe itself. This occurs due to the if...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Media: MediTech; vcodec: Fix resource leaks in vdecmsgqueueinit. If any error occurs in vdecmsgqueueinit, we need to set “msgqueue-wdmaaddr.size = 0;”. Normally, this is done within the vdecmsgqueuedeinit function. However, if...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the net: stream module, the purge skerrorqueue operation in skstreamkillqueues has been fixed. Changheon Lee reported TCP socket leaks, with a detailed reproduction guide. It appears that we encounter TCP socket leaks in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ICE: xsk: prohibit usage of non-balanced queue ID Fix the following scenario: 1. ethtool -L $IFACE rx 8 tx 96 2. xdpsock -q 10 -t -z The above refers to a situation where a user wants to attach an XSK socket in txonly mode at a...