posix-cpu-timers: Prevent UAF caused by non-leader exec() race

...

Exploit for CVE-2026-64560

CVE-2026-64560 — Linux Kernel posix-cpu-timers Non-leader exec...

SUSE CVE-2026-64556

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

SUSE CVE-2026-64560

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

CVE-2026-64560

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

EUVD-2026-50417

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

CVE-2026-64560 posix-cpu-timers: Prevent UAF caused by non-leader exec() race

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

CVE-2026-64560

CVE-2026-64560 documents a Linux kernel issue in posix-cpu-timers that can cause a Use-After-Free when a timer is deleted during a non-leader exec() race. The vulnerability arises as sys_timer_delete() may observe an old leader while a leader change occurs, leading to a freed posix timer object b...

CVE-2026-64556

A flaw was found in the Linux kernel's performance monitoring unit PMU subsystem. This vulnerability occurs when a performance event group leader is removed during process execution, but its associated events siblings remain active and linked to a stale list. This inconsistent state can lead to a...

CVE-2026-64556

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

PT-2026-65857

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18.41 Linux kernel versions prior to 6.12.100 Linux kernel versions prior to 6.6.147 Linux kernel versions prior to 6.1.180 Linux kernel versions prior to 5.15.213 Linux kernel versions prior to 5.10.262...

CVE-2026-41659

Admidio is an open-source user management solution. Prior to version 5.0.9, the member assignment DataTables endpoint membersassignmentdata.php includes hidden profile fields BIRTHDAY, STREET, CITY, POSTCODE, COUNTRY in its SQL search condition regardless of field visibility settings. While the...

Kazuar: Anatomy of a nation-state botnet

In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...

EUVD-2026-28272

Admidio is an open-source user management solution. Prior to version 5.0.9, a logic error in Admidio's two-factor authentication reset inverts the authorization check. Non-admin users cannot remove their own TOTP configuration, but they can remove other users' TOTP, including administrators. A...

CVE-2026-41660 Admidio: Inverted 2FA Reset Authorization Check Lets Group Leaders Strip Admin TOTP

Admidio is an open-source user management solution. Prior to version 5.0.9, a logic error in Admidio's two-factor authentication reset inverts the authorization check. Non-admin users cannot remove their own TOTP configuration, but they can remove other users' TOTP, including administrators. A...

CVE-2026-41660

Admidio is an open-source user management solution. Prior to version 5.0.9, a logic error in Admidio's two-factor authentication reset inverts the authorization check. Non-admin users cannot remove their own TOTP configuration, but they can remove other users' TOTP, including administrators. A...

GHSA-RH3W-4CCX-PRF9 Admidio has Inverted 2FA Reset Authorization Check that Lets Group Leaders Strip Admin TOTP

Summary A logic error in Admidio's two-factor authentication reset inverts the authorization check. Non-admin users cannot remove their own TOTP configuration, but they can remove other users' TOTP, including administrators. A group leader with profile edit rights on an admin account can strip th...

Information Exposure

Overview admidio/admidio is a free open source user management system for websites of organizations and groups. Affected versions of this package are vulnerable to Information Exposure via the membersassignmentdata.php process. An attacker can infer hidden personally identifiable information such...

CVE-2026-32755

Admidio is an open-source user management solution. In versions 5.0.6 and below, the savemembership action in modules/profile/profilefunction.php saves changes to a member's role membership start and end dates but does not validate the CSRF token. The handler checks stopmembership and...

Cross-site Request Forgery (CSRF)

Overview admidio/admidio is a free open source user management system for websites of organizations and groups. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF in the savemembership process. An attacker can alter membership start and end dates for any member of...