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: net: ipv4: Issues with TCP reordering of sysctl writes and MTU probe sizes were addressed. Invalid values of net.ipv4.tcpreordering are now rejected before they reach the TCP socket state. The sysctl value is stored as an int...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101966)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101966 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid...

CVE-2026-64422 net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is stored as an int but copied into the u32 tp-reordering field for new...

CVE-2026-64422: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is stored as an int but copied into the u32 tp-reordering field for new...

CVE-2022-49330: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: tcp: fix tcpmtupprobesuccess vs wrong sndcwnd syzbot got a new report 1 finally pointing to a very old bug, added in initial support for MTU probing. tcpmtuprobe has checks about starting an MTU probe if tcpsndcwndtp = 11. But...

CVE-2024-50083 tcp: fix mptcp DSS corruption due to large pmtu xmit

In the Linux kernel, the following vulnerability has been resolved: tcp: fix mptcp DSS corruption due to large pmtu xmit Syzkaller was able to trigger a DSS corruption: TCP: requestsocksubflowv4: Possible SYN flooding on port :::20002. Sending cookies. ------------ cut here ------------ WARNING:...