Astra Linux – Vulnerability in golang-golang-x-net, golang-1.19

A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, enough to trigger a denial of service due to a small number of small requests...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before version 5.11.11. The qrtrrecvmsg function in net/qrtr/qrtr.c allows attackers to obtain sensitive information from kernel memory due to a partially uninitialized data structure, identified as CID-50535249f624...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: Protect flwalk by using rcu. The patch that refactored flwalk to use idrforeachentrycontinueul also removed the rcu protection for individual filters. This caused a use-after-free when the filter was deleted...

Astra Linux – Vulnerability in Qemu

A use-after-free vulnerability was discovered in the virtio-net device of QEMU. This vulnerability can occur when the address of the descriptor belongs to the non-direct access region, due to the numbuffers being set after the virtqueue elem has been unmapped. A malicious guest can exploit this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtionet: Do not send RSS commands if the feature is not available on the device. There is a bug when setting RSS options in virtionet that can cause the entire machine to become unstable, leading to an infinite loop in the...

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

A use-after-free vulnerability exists in the Linux kernel’s net/sched: schqfq component, which can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers a use-after-free in qfqdequeue, due to the incorrect .pe...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A null pointer dereference vulnerability was discovered in the nftdynsetinit function in net/netfilter/nftdynset.c within nftables in the Linux kernel. This issue may allow a local attacker with the CAPNETADMIN user privilege to trigger a denial of service attack...

Astra Linux – Vulnerability in libcommons-net-java

Prior to Apache Commons Net 3.9.0, Net’s FTP client trusted the host based on the PASV response by default. A malicious server could redirect the Commons Net code to use a different host, but the user had to connect to the malicious server in the first place. This could result in the leakage of...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly canceled the timer from tapriodestroy There is a comment in qdisccreate regarding the fact that we do not call ops-reset in some cases. errout4: “Any broken qdiscs that would require an ops-reset...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fixed a race condition related to the per-CQ variable napiworkdone. After calling napicompletedone, the NAPIFSTATESCHED bit may be cleared, allowing another CPU to start a napi thread and access the per-CQ variable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Unregistering flowtable hooks upon netns exit. Unregistering flowtable hooks before they are released via nftablesflowtabledestroy; otherwise, the hook code may report a Use-After-Free error. BUG: KASAN:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtionet: a memory leak inside XPDTX has been fixed using mergeable. When we call xdpconvertbufftoframe to obtain xdpf, if it returns NULL, we should check whether xdppage was allocated by xdplinearizepage. If it was newly...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: Fixed the return type of netcpndostartxmit With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to ensure that the...

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: net/sched: fqpie: avoid stalls in fqpietimer When setting a high number of flows limit being 65536, fqpietimer is currently using too much time as syzbot reported. Add logic to yield the cpu every 2048 flows less than 150 usec on...

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 – Vulnerability in Linux 5.10, Linux

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fixed a leak in x25lapbreceiveframe. In x25lapbreceiveframe, the function uses skbcopy to obtain a private copy of the skb. The newly created skb should be freed in the under-sized/fragmented skb error handling path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: virtionet: Fixed a misalignment bug in the struct virtnetinfo structure. Use the new TRAILINGOVERLAP helper to fix the misalignment bug, along with the following warning: drivers/net/virtionet.c:429:46: warning: Structure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networking: DSA: Felix: Fixed possible NULL pointer dereferencing. As a possible failure during allocation, kzalloc may return a NULL pointer. Therefore, it is better to check for ‘sgi’ to prevent the dereferencing of a NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: don’t leak tagger-owned storage on switch driver unbind In the initial commit dc452a471dba, we had a issue where a call to tagops-disconnectdst was issued from dsatreefree, which was called during the tree teardown...