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: TCP: Timers for kernel sockets are properly terminated. We received various reports from syzbot that indicated that TCP timers would still fire even after the corresponding netns has been dismantled. Fortunately, Josef Bacik was...

SUSE CVE-2026-23120

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

CVE-2026-23120

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

UBUNTU-CVE-2026-23120

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

CVE-2026-23120 l2tp: avoid one data-race in l2tp_tunnel_del_work()

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

EUVD-2026-5916

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

CVE-2026-23120 l2tp: avoid one data-race in l2tp_tunnel_del_work()

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

PT-2026-8113

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a data-race condition within the l2tp tunnel del work function. This issue arises when handling kernel sockets, specifically during the deletion of an L2TP...

ThreatsDay Bulletin: Spyware Alerts, Mirai Strikes, Docker Leaks, ValleyRAT Rootkit — and 20 More Stories

This week's cyber stories show how fast the online world can turn risky. Hackers are sneaking malware into movie downloads, browser add-ons, and even software updates people trust. Tech giants and governments are racing to plug new holes while arguing over privacy and control. And researchers kee...

SUSE CVE-2023-53781

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

UBUNTU-CVE-2023-53781

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

CVE-2023-53781 smc: Fix use-after-free in tcp_write_timer_handler().

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

CVE-2023-53781

CVE-2023-53781 affects the Linux kernel: a use-after-free in tcp_write_timer_handler() can occur when SMC creates a kernel socket (__smc_create()) and the socket is freed without stopping TCP timers if the parent SMC socket’s sk_state isn’t TCP_CLOSE. The issue arises because inet_csk_destroy_soc...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: Better tracking of kernel sockets’ lifetimes While kernel sockets are destroyed during pernetoperations-exit, their freeing can be delayed due to any TX packets still held in qdisc or device queues. This occurs because of...

Siemens SIMATIC Devices Improper Initialization (CVE-2024-35910)

In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers firing after the corresponding netns has been dismantled. Fortunately Josef Bacik could trigger the issue more often, and could test...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-394796)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-394796 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers...

EUVD-2024-35628

Malicious code in bioql PyPI...

net: better track kernel sockets lifetime

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Linux Distros Unpatched Vulnerability : CVE-2025-21884

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: better track kernel sockets lifetime While kernel sockets are dismantled during...

SUSE CVE-2025-22077

In the Linux kernel, the following vulnerability has been resolved: Revert "smb: client: fix TCP timers deadlock after rmmod" This reverts commit e9f2517a3e18a54a3943c098d2226b245d488801. Commit e9f2517a3e18 "smb: client: fix TCP timers deadlock after rmmod" is intended to fix a null-ptr-deref in...