CVE-2026-74637

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perfgroupdetach handles leader and sibling detach differently. When the group leader is detached, all siblings are promoted to singleton events and their groupleader...

CVE-2026-74637 perf/core: Fix group leader use-after-free after sibling detach

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perfgroupdetach handles leader and sibling detach differently. When the group leader is detached, all siblings are promoted to singleton events and their groupleader...

EUVD-2026-64574

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perfgroupdetach handles leader and sibling detach differently. When the group leader is detached, all siblings are promoted to singleton events and their groupleader...

CVE-2026-74637

CVE-2026-74637 is a use-after-free vulnerability in the Linux kernel's perf/core subsystem. When a perf event sibling is detached via DETACH_GROUP (e.g., during CPU hot-unplug), its group_leader pointer is left pointing at the old leader instead of being reset. If the leader is subsequently freed...

PT-2026-79642

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perf group detach handles leader and sibling detach differently. When the group leader is detached, all siblings are promoted to singleton events and their group...

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...

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...

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 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...

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...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: kernel/sys.c: Fixed the race condition related to the use of tasklocktsk-groupleader in the sysprlimit64 function. The use of tasklocktsk-groupleader in sysprlimit64-doprlimit is incorrect. sysprlimit64 does access...

SUSE CVE-2025-40201

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...

EUVD-2025-150373

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...

Linux Distros Unpatched Vulnerability : CVE-2025-40201

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very...

DEBIAN-CVE-2025-40201

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...

AZL-70088 CVE-2025-40201 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...

UBUNTU-CVE-2025-40201

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...

CVE-2025-40201 kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...