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: nvme-fc: The use of lock access to portstate and rportstate was corrected. nvmefcunregisterremote removes the remote port from an lport object at any time when there is no active association. This issue conflicts with the...

CVE-2026-74563

A flaw was found in the Linux kernel's Reliable Datagram Sockets RDS TCP module. The rdstcpladdrcheck function fails to hold the Read-Copy-Update RCU lock across an IPv6 address check. This allows a race condition where a network device can be freed while still being referenced, leading to a...

EUVD-2026-62244

The RACK setsockopt2 handler drops the connection lock in order to copy option data from userspace, then reacquires the lock. After reacquiring, it verifies that the TCP stack had not been switched away, but did not reload its pointer to the stack's per-connection control block. If userspace...

CVE-2026-74562

In the Linux kernel, the following vulnerability has been resolved: nexthop: take nh-lock for f6ilist walks in replace check and notify fib6checknhlist and nexthopreplacenotify walk nh-f6ilist during an RTNL-serialized nexthop replace without holding nh-lock. IPv6 RTMNEWROUTE/RTMDELROUTE run...

CVE-2026-74268

In the Linux kernel, the following vulnerability has been resolved: tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in tcpv4synrecvsock / tcpv6synrecvsock, the child is freed through...

Linux Distros Unpatched Vulnerability : CVE-2026-68438

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: smp: Make CSD lock acquisition atomic for debug mode Commit b0473dcd4b1d smp: Improve...

DEBIAN-CVE-2026-68438

In the Linux kernel, the following vulnerability has been resolved: smp: Make CSD lock acquisition atomic for debug mode Commit b0473dcd4b1d "smp: Improve smpcallfunctionsingle CSD-lock diagnostics" changed smpcallfunctionsingle so that, when CSD lock debugging is enabled, async !wait calls use t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: fixed a race condition in hcicmdsyncdequeueonce. The function hcicmdsyncdequeueonce performs a lookup and then cancels the entry under two separate lock sections. Meanwhile, hcicmdsyncwork can also delete t...

ALPINE-CVE-2026-62435

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. With the introduction of Grant Table v2 came the requirement to be able to switch between versions. Switching from v1 to v2 reduces the number of valid grant references, ...

CVE-2026-62436

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. With the introduction of Grant Table v2 came the requirement to be able to switch between versions. Switching from v1 to v2 reduces the number of valid grant references, ...

CVE-2026-64452

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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...

RHEL 10 : kernel (RHSA-2026:44694)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:44694 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: sched: actcsum: validat...

fuse: re-lock request before replacing page cache folio

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CVE-2026-64045

CVE-2026-64045 (Linux kernel, ovpn tcp close race) : The vulnerability stems from ovpn_tcp_close() loading the ovpn_socket pointer under RCU read-lock, then using sock->peer after releasing the lock, while ovpn_socket_release() may detach the socket concurrently. The fix tightens the pattern b...

CVE-2026-45942 ext4: fix e4b bitmap inconsistency reports

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: A use-after-free issue was addressed in l2capunregisteruser. After the commit ab4eedb790ca “Bluetooth: L2CAP: Fix corrupted list in hcichandel”, l2capconndel uses conn-lock to protect access to conn-users...

EUVD-2026-28611

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

CVE-2026-31466 mm/huge_memory: fix folio isn't locked in softleaf_to_folio()

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This issue triggers when mTHP splitting and zapnonpresentptes races, and the...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in filelock-3.12.2-py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in filelock-3.12.2-py3-none-any.whl Vulnerability Details CVEID:CVE-2025-68146 DESCRIPTION: filelock is a platform-independent file lock for Python. In versions prior to 3.20.1, a Time-of-Check-Time-of-Use TOCTOU race condition allo...