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

An update for frr is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

NewStart CGSL MAIN 6.06 : ipv6nat-selinux Multiple Vulnerabilities (NS-SA-2026-0054)

The remote NewStart CGSL host, running version MAIN 6.06, has ipv6nat-selinux packages installed that are affected by multiple vulnerabilities: - net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This...

CVE-2026-18107

A flaw was found in CRIU's handling of restartable sequences rseq during checkpoint/restore. A malicious process inside a container can register an rseq critical section that hijacks CRIU's parasite code injection during checkpoint, allowing it to spoof the process credentials saved in the...

CVE-2026-18107 Criu: criu: container escape via rseq critical section hijack during checkpoint/restore

A flaw was found in CRIU's handling of restartable sequences rseq during checkpoint/restore. A malicious process inside a container can register an rseq critical section that hijacks CRIU's parasite code injection during checkpoint, allowing it to spoof the process credentials saved in the...

EUVD-2026-49986

A flaw was found in CRIU's handling of restartable sequences rseq during checkpoint/restore. A malicious process inside a container can register an rseq critical section that hijacks CRIU's parasite code injection during checkpoint, allowing it to spoof the process credentials saved in the...

CVE-2026-59676

A flaw was found in policycoreutils through 3.10 in seunshare. A TOCTOU race lets a local user running in an unconfined SELinux domain delete arbitrary root-owned files. Removing critical system files can cause denial of service; integrity impact is limited to unauthorized deletion...

Linux Distros Unpatched Vulnerability : CVE-2026-59676

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the...

Exploit for Use After Free in Linux Linux_Kernel

unplus CVE-2026-43499 Futex PI UAF: The core logic code for...

policycoreutils: Policycoreutils: Arbitrary file deletion via TOCTOU race condition in seunshare

A flaw was found in policycoreutils through 3.10 in seunshare. A TOCTOU race lets a local user running in an unconfined SELinux domain delete arbitrary root-owned files. Removing critical system files can cause denial of service; integrity impact is limited to unauthorized deletion...

CVE-2026-59677

A Missing Authorization vulnerability in selinux policycoreutils seunshares allows a user that is running in unconfined context to kill e.g. root-owned processes running also in unconfined context This issue affects policycoreutils through 3.10...

UBUNTU-CVE-2026-59677

A Missing Authorization vulnerability in selinux policycoreutils seunshares allows a user that is running in unconfined context to kill e.g. root-owned processes running also in unconfined context This issue affects policycoreutils through 3.10...

DEBIAN-CVE-2026-59676

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10...

EUVD-2026-47939

A Missing Authorization vulnerability in selinux policycoreutils seunshares allows a user that is running in unconfined context to kill e.g. root-owned processes running also in unconfined context This issue affects policycoreutils through 3.10...

CVE-2026-59677

The CVE-2026-59677 issue is a local vulnerability in SELinux policycoreutils seunshares (up to version 3.10) that permits a user running in an unconfined context to kill root-owned processes also in unconfined context. Documented under PT-2026-61060 as a Local DoS/vector in seunshare, with the af...

EUVD-2026-47888

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10...

RefluXFS: A Linux Kernel Local Privilege Escalation to Root in XFS (CVE-2026-64600)

Executive summary Qualys Threat Research Unit TRU identified CVE-2026-64600, a race condition in the Linux kernel’s XFS filesystem copy-on-write path. An attacker with an ordinary local account can exploit this race condition to overwrite protected files on disk and gain host root privileges on...

CVE-2026-64624

A flaw in FreeRDP's file parser incorrectly treats lines starting with a forward slash / as command-line options. If a victim opens a maliciously crafted .rdp file, an attacker can silently inject CLI flags to execute arbitrary code, expose local filesystems, or bypass certificate validation...

Linux Distros Unpatched Vulnerability : CVE-2026-53367

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: selinux: fix avdcache auditing The per-task avdcache was incorrectly saving and reusing the...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare CVE-2026-43303 In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks CVE-2026-45850 In the Linux...

Linux Distros Unpatched Vulnerability : CVE-2026-64111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - lsm: hold credguardmutex for lsmsetselfattr Just as procpidattrwrite already does before calling the LSM hook. This only matters for SELinux and AppArmor which...