Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fix double-free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, the cifsd thread might reconnect to multiple DFS targets before realizing that it should exit the loop. As a result,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: TCP: Fixed handling of refcnt in inethashconnect. syzbot reported a warning in sknullsdelnodeinitrcu. The commit 66b60b0c8c4a “dccp/tcp: Unhash sk from ehash for tb2 allocation failure after checkestablished” attempted to fix ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Do not queue data on closed subflows. Dipanjan reported a critical bug fix at the last minute: WARNING: CPU: 1 PID: 10818 at net/ipv4/afinet.c:153 inetsockdestruct+0x6d0/0x8e0 net/ipv4/afinet.c:153 Linked modules:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mptcp: A stricter state check has been added in mptcpworker. According to Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: c connect // Incoming reset + fastclose // The mpt...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nvmet-tcp: fixed incorrect locking in the statechange sk callback We are not changing anything in the TCP connection state, so we should not use a writelock but rather a read lock. This caused a deadlock when running nvmet-tcp...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed a soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with the MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed repeated calls to sockput when msg has moredata In the tcpbpfsendverdict redirection, the eval variable is assigned to SKREDIRECT after the applybytes data is sent. If msg has moredata, sockput will be called...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed a memory leak in tcpbpfsendmsg when skmsg is full. If tcpbpfsendmsg is running while skmsg is full, and skmsgalloc returns an -ENOMEM error, tcpbpfsendmsg will enter a waitformemory state. If part of the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a signed-integer overflow bug in tcpaddbacklog The types of skrcvbuf and sksndbuf within the struct sock structure are int. In tcpaddbacklog, the limit for these variables is calculated by adding skrcvbuf, sksndbuf, an...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use OPTIONMPTCPMPJSYNACK in subflowfinishconnect subflowfinishconnect uses four fields backup, joinid, thmac, none that may contain garbage unless OPTIONMPTCPMPJSYNACK has been set in mptcpparseoption...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed a slow server-side memory leak caused by RPC-over-TCP. Jan Schunk reported that his small NFS servers experience memory exhaustion after just a few days. A bisect analysis shows that commit e18e157bb5c8 “SUNRPC:...

Astra Linux – Vulnerability in open-iscsi

A issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. When the Urgent flag is set in a TCP packet, and the stack is configured to ignore the urgent data, the stack attempts to use the value of the Urgent pointer bytes to separate the Urgent data from the normal data. It...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021616)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021616 advisory. In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket BUG: KASAN: slab-use-after-free in...

USN-8277-1 linux, linux-aws, linux-hwe-6.17, linux-oem-6.17, linux-oracle, linux-raspi, linux-realtime, linux-realtime-6.17 vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

kernel: Linux kernel MPTCP: Privilege escalation or denial of service via use-after-free in timer handling

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. A race condition in the mptcppmdeladdtimer function allows for a use-after-free vulnerability. This can be exploited by a local attacker to cause a denial of service DoS, potentially leading to privilege escalation or...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: Fix the skmemuncharge logic in tcpbpfsendmsg The current sk memory accounting logic in SKREDIRECT is pre-uncharging tosend bytes, which is either msg-sg.size or a smaller value applybytes. Potential problems with this...

PT-2026-41947

Name of the Vulnerable Software and Affected Versions Motorola Factory Test affected versions not specified Description An improper authentication issue exists in the com.motorola.motocit component. The application contains a reference to a writable file descriptor in external storage. This allow...

[SECURITY] Fedora 42 Update: coturn-4.11.0-1.fc42

The Coturn TURN Server is a VoIP media traffic NAT traversal server and gatew ay. It can be used as a general-purpose network traffic TURN server/gateway, too. This implementation also includes some extra features. Supported RFCs: TURN specs: - RFC 5766 - base TURN specs - RFC 6062 - TCP relaying...

ALPINE-CVE-2026-6479

Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AFUNIX socket to achieve sustained denial of service. If SSL and GSS are both disabled, an attacker can do the same via access to a PostgreSQL TCP socket. Versions before PostgreSQL 18....