kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

A race condition was found in the Linux kernel’s POSIX CPU timer handling, where handleposixcputimers may run concurrently with posixcputimerdel on an exiting task which could result in use-after-free scenarios. An attacker with local user access could use this flaw to crash or escalate their...

kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

A race condition was found in the Linux kernel’s POSIX CPU timer handling, where handleposixcputimers may run concurrently with posixcputimerdel on an exiting task which could result in use-after-free scenarios. An attacker with local user access could use this flaw to crash or escalate their...

kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

A race condition was found in the Linux kernel’s POSIX CPU timer handling, where handleposixcputimers may run concurrently with posixcputimerdel on an exiting task which could result in use-after-free scenarios. An attacker with local user access could use this flaw to crash or escalate their...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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...

RHEL 7 : kernel-rt (RHSA-2025:15646)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:15646 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 9 : kernel-rt (RHSA-2025:15658)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:15658 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2025-20553)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-20553 advisory. - netsched: schsfq: move the limit validation Octavian Purdila Orabug: 38377926 CVE-2025-37752 - netsched: schsfq: don't allow 1 packet limit...

AlmaLinux 8 : kernel-rt (ALSA-2025:15472)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:15472 advisory. kernel: bpf: Don't use tnumrange on array range checking for poke descriptors CVE-2022-49985 kernel: posix-cpu-timers: fix race between...

kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

A race condition was found in the Linux kernel’s POSIX CPU timer handling, where handleposixcputimers may run concurrently with posixcputimerdel on an exiting task which could result in use-after-free scenarios. An attacker with local user access could use this flaw to crash or escalate their...

kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

A race condition was found in the Linux kernel’s POSIX CPU timer handling, where handleposixcputimers may run concurrently with posixcputimerdel on an exiting task which could result in use-after-free scenarios. An attacker with local user access could use this flaw to crash or escalate their...

Linux kernel Handle Posix CPU Timers DoS

The vulnerability of the handleposixcputimers function in the Linux operating system’s kernel is related to state management errors. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

ALSA-2025:15472 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: bpf: Don't use tnumrange on array range checking for poke descriptors CVE-2022-49985 kernel: posix-cpu-timers: fix race between...

ASB-A-425282960

In runposixcputimers of posix-cpu-timers.c, there is a possible way to trigger a use-after-free on a sigqueue object due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

VulnCheck KEV: CVE-2025-38352

Linux kernel contains a time-of-check time-of-use TOCTOU race condition vulnerability that has a high impact on confidentiality, integrity, and availability...

posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

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Linux Distros Unpatched Vulnerability : CVE-2022-2585

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free...

Linux Distros Unpatched Vulnerability : CVE-2025-38352

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: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting...

SUSE CVE-2025-38352

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting non-autoreaping task has already passed exitnotify and calls handleposixcputimers from IRQ, it can be reaped by its parent or debugger rig...

CVE-2025-38352

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting non-autoreaping task has already passed exitnotify and calls handleposixcputimers from IRQ, it can be reaped by its parent or debugger rig...

DEBIAN-CVE-2025-38352

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting non-autoreaping task has already passed exitnotify and calls handleposixcputimers from IRQ, it can be reaped by its parent or debugger rig...