polkit: Polkit: Denial of Service via unbounded input processing through standard input

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the polkit-agent-helper-1 setuid binary via standard input stdin. This unbounded input can lead to an out-of-memory OOM condition, resulting in a Denial of Service DoS for the...

polkit security update

125-4.0.1.el102.1 - Increase timeout to avoid defunct processes Orabug: 26930744 125-4.1 - NOTICE jrybar: the record 125-4 below was added in manually after Ymir's initial - commit 125-3.1. For some reason, 125-3.1 for rhel-10.2 was based on contents - of rhel-10.0 release instead of version 125-...

CVE-2026-75037

Polkit Authentication Based on UnixProcessSubject / Peer PID in LACT on Linux allows an Authentication Bypass. This issue affects LACT through 0.10.0. Fixed by commit d0478fe42c2219454e272f96b1cbd29ab37ee566...

CVE-2026-75037 Polkit authentication bypass in LACT

Polkit Authentication Based on UnixProcessSubject / Peer PID in LACT on Linux allows an Authentication Bypass. This issue affects LACT through 0.10.0. Fixed by commit d0478fe42c2219454e272f96b1cbd29ab37ee566...

CVE-2026-75037 Polkit authentication bypass in LACT

Polkit Authentication Based on UnixProcessSubject / Peer PID in LACT on Linux allows an Authentication Bypass. This issue affects LACT through 0.10.0. Fixed by commit d0478fe42c2219454e272f96b1cbd29ab37ee566...

CVE-2026-75037

LACT (Linux AppContainer Tool), a Linux-based application container management tool, is vulnerable to an authentication bypass through its Polkit authorization mechanism. The root cause lies in the reliance on UnixProcessSubject / Peer PID for Polkit authentication, which can be exploited locally...

EUVD-2026-65390

Polkit Authentication Based on UnixProcessSubject / Peer PID in LACT on Linux allows an Authentication Bypass. This issue affects LACT through 0.10.0. Fixed by commit d0478fe42c2219454e272f96b1cbd29ab37ee566...

PT-2026-81257

Name of the Vulnerable Software and Affected Versions LACT versions prior to 0.10.1 Description An authentication bypass exists in LACT on Linux due to the way Polkit authentication is handled based on UnixProcessSubject and Peer PID. This allows an attacker to circumvent the required...

Astra Linux – Vulnerability in Policykit-1

A vulnerability related to local privilege escalation was discovered in the polkit’s pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to execute commands as privileged users according to predefined policies. The current version of pkexec does not proper...

Astra Linux – Vulnerability in libblockdev, udisks2

A Local Privilege Escalation LPE vulnerability was discovered in libblockdev. Typically, the “allowactive” setting in Polkit allows a physically present user to perform certain actions based on the session type. Due to the way libblockdev interacts with the udisks daemon, a “allowactive” user on ...

Astra Linux – Vulnerability in Policykit-1

A flaw was discovered in polkit. When processing an XML policy with 32 or more nested elements at depth, an out-of-bounds write vulnerability can be triggered. This issue may lead to a crash or other unexpected behavior, and arbitrary code execution is possible without being detected. To exploit...

Exploit for Out-of-bounds Write in Polkit_Project Polkit

CVE-2021-4034 Este es un exploit en Python Para teniendo u...

PT-2026-76427

These are all security issues fixed in the libudisks2-0-2.11.2-1.1 package on the GA media of openSUSE Tumbleweed...

DEBIAN-CVE-2026-15060

When systemd-machined = v259 or v258 with a custom polkit policy that allows register-machine access is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless...

CVE-2026-15060

When systemd-machined = v259 or v258 with a custom polkit policy that allows register-machine access is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless...

CVE-2026-15060

When systemd-machined = v259 or v258 with a custom polkit policy that allows register-machine access is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless...

EUVD-2026-55627

When systemd-machined = v259 or v258 with a custom polkit policy that allows register-machine access is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless...

CVE-2026-15060 systemd-machined: unprivileged users can terminate arbitrary processes

When systemd-machined = v259 or v258 with a custom polkit policy that allows register-machine access is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless...

CVE-2026-15060

CVE-2026-15060 : The vulnerability affects systemd-machined on desktop systems running version ≥ v259 (or v258 with a local policy that permits the polkit action register-machine). An unprivileged user in a desktop graphical session can kill arbitrary processes, including privileged ones. Affecte...

EUVD-2026-48868

In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udffreeblocks checks the logical block number and count against the partition length, but drops the extent offset from that final bound. A crafted extent can pass the...