kernel: selinux: fix overlayfs mmap() and mprotect() access checks

A flaw was found in the Linux kernel's SELinux security module when handling overlayfs. The existing security model for overlayfs does not properly enforce access controls for mmap and mprotect operations. This oversight could allow a local attacker to bypass intended security policies, potential...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ima: Handle error codes returned by imafilterrulematch. In imamatchrules, if imafilterrulematch returns -ENOENT due to the rule being NULL, the function incorrectly skips the 'if !rc' check and sets 'result = true'. The LSM rule ...

kernel: selinux: fix overlayfs mmap() and mprotect() access checks

A flaw was found in the Linux kernel's SELinux security module when handling overlayfs. The existing security model for overlayfs does not properly enforce access controls for mmap and mprotect operations. This oversight could allow a local attacker to bypass intended security policies, potential...

policycoreutils: policycoreutils: TOCTOU race condition in fixfiles allows arbitrary SELinux label manipulation

A TOCTOU Time-of-Check-Time-of-Use race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabeled files under /tmp and other directories. A local attacker...

CVE-2026-19079 Policycoreutils: policycoreutils: toctou race condition in fixfiles allows arbitrary selinux label manipulation

A TOCTOU Time-of-Check-Time-of-Use race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabeled files under /tmp and other directories. A local attacker...

CVE-2026-19079 Policycoreutils: policycoreutils: toctou race condition in fixfiles allows arbitrary selinux label manipulation

A TOCTOU Time-of-Check-Time-of-Use race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabeled files under /tmp and other directories. A local attacker...

CVE-2026-19079 Policycoreutils: policycoreutils: toctou race condition in fixfiles allows arbitrary selinux label manipulation

A TOCTOU Time-of-Check-Time-of-Use race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabeled files under /tmp and other directories. A local attacker...

CVE-2026-19079

A TOCTOU Time-of-Check-Time-of-Use race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabeled files under /tmp and other directories. A local attacker...

[SECURITY] Fedora 43 Update: freeipa-4.13.2-1.fc43

IPA is an integrated solution to provide centrally managed Identity users, hosts, services, Authentication SSO, 2FA, and Authorization host access control, SELinux user roles, services. The solution provides features for further integration with Linux based clients SUDO, automount and integration...

Linux Distros Unpatched Vulnerability : CVE-2026-19079

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A TOCTOU Time-of-Check-Time-of-Use race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles...

frr security, bug fix, and enhancement update

An update is available for frr. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list FRRouting is free software that manages TCP/IP based routing protocols. It suppor...

RLSA-2026:49607 Important: frr10 security, bug fix, and enhancement update

FRRouting is free software that manages TCP/IP based routing protocols. It takes a multi-server and multi-threaded approach to resolve the current complexity of the Internet. FRRouting supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. FRRouting is a fork of Quagga...

sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass

A path traversal flaw was found in SSSD's AD GPO provider. The adgpoextractsmbcomponents function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL...

sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass

A path traversal flaw was found in SSSD's AD GPO provider. The adgpoextractsmbcomponents function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL...

MiracleLinux 9 : kernel-5.14.0-687.19.1.el9_8 (AXSA:2026-1437:58)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1437:58 advisory. kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kernel: ipv6: icmp: clear skb2-cb in...

RockyLinux 9 : frr10 (RLSA-2026:49607)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:49607 advisory. frr: FRRouting: Denial of Service via crafted BGP UPDATE message CVE-2026-37460 Bug Fixes and Enhancements: frr10 triggers SELinux denials when reading root's...

Important: Red Hat Security Advisory: frr10 security, bug fix, and enhancement update

An update for frr10 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...

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...

RHEL 9 : frr10 (RHSA-2026:49607)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:49607 advisory. FRRouting is free software that manages TCP/IP based routing protocols. It takes a multi-server and multi- threaded approach to resolve the current...

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...