Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: inetdiag: fixed a kernel-infoleak issue for UDP sockets KMSAN reported a kernel-infoleak issue 1 that could be exploited by unprivileged users. After analysis, it turned out that UDP was not initializing r-idiagexpires. Other...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: The “kern” flag was removed from fallback sockets. The mptcp ULP extension relies on ensuring that sk-sksockkern is set correctly. This prevents the call to setsockoptfd, IPPROTOTCP, TCPULP, "mptcp", 6 from working for pla...

Astra Linux – Vulnerability in Memcached

In memcached 1.5.16, when UNIX sockets are used, there is a stack-based buffer over-read issue in the conntostr function in memcached.c...

Astra Linux – Vulnerability in Linux 5.10, Linux

There is a use-after-free vulnerability in the Linux Kernel that can be exploited to achieve local privilege escalation. To exploit this vulnerability, the CONFIGTLS or CONFIGXFRMESPINTCP kernel configuration flags must be set; however, the operation does not require any special privileges. There...

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

A vulnerability was discovered in the HCI socket implementation due to a missing capability check in the net/bluetooth/hcisock.c file within the Linux kernel. This flaw allows an attacker to execute management commands without authorization, compromising the confidentiality, integrity, and...

Astra Linux – Vulnerability in libvirt

A flaw was discovered in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, leading to a race condition and a denial of service when attempting to lock the same object from another thread. This issue could cause clients connecting to the read-only socket ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: disabling the sending of iouring via sockets File reference cycles have caused many problems for iouring in the past. It still doesn’t work correctly, and it causes races with unixstreamreadgeneric. The safest...

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

In the Linux kernel, the following vulnerability has been resolved: Net: Fixed a UAF Use-After-Free issue in packetrelease due to a race condition involving NETDEVUP. packetrelease has a race condition where NETDEVUP can re-register a socket into the arr array of fanout groups. This re-registrati...

Astra Linux – Vulnerability in Redis

Redis is an in-memory database that persists data on disk. Upon startup, Redis begins listening on Unix sockets before adjusting its permissions according to the user-provided configuration. If a permissive umask value is used, this can create a race condition that allows another process to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: The issue occurs when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and binding the vxcan device to the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Do not leave consecutive consumed OOB skb’s in the recv queue. Jann Horn reported a use-after-free in the unixstreamreadgeneric function. The following sequences reproduce the issue: $ python3 from socket import s1, s2...

Astra Linux – Vulnerability in Erlang

In Erlang/OTP versions prior to 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there was a situation where Client Authentication Bypass occurred in certain client-certification scenarios for SSL, TLS, and DTLS...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Fixed a kernel-infoleak issue for SCTP sockets. The syzbot reported a kernel-infoleak issue of 4 bytes. After analysis, it turned out that r-idiagexpires was not initialized when inetsctpdiagfill called...

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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

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: afunix: Fixed the garbage collector’s race condition with connect The garbage collector does not consider the risk of an “embryo” being enqueued during garbage collection. If such an “embryo” has a peer that carries SCMRIGHTS, tw...

Astra Linux – Vulnerability in Firefox

If an attacker were able to alter specific about:config values for example, malware running on the user’s computer, the Devtools remote debugging feature might be enabled in a way that is unnoticed by the user. This would allow a remote attacker who can establish a direct network connection to th...

Astra Linux – Vulnerability in multipath-tools

In versions of multipath-tools from 0.7.0 to 0.9.x, up to 0.9.2, local users could obtain root access, either alone or in conjunction with CVE-2022-41973. Local users who had access to write to UNIX domain sockets could bypass access controls and manipulate the multipath setup. This could result ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Rejects redirects of skmsg messages to non-TCP sockets With a SOCKMAP/SOCKHASH map and a skmsg program, users can direct messages sent from one TCP socket s1 to actually exiting from another TCP socket s2...

Astra Linux – Vulnerability in python-urllib3

The urllib3 library before version 1.24.2 in Python mishandles certain cases where the desired set of CA certificates differs from the CA certificates stored in the operating system’s store. As a result, SSL connections succeed in situations where a verification failure would be the correct...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the issue where NULL sock was used in aasockfileperm. Consider the possibility that sock and sock-sk could become NULL during socket setup or tear-down. This could lead to an error. The fix for NULL pointer...