CVE-2026-64542 ipv6: ndisc: fix NULL deref in accept_untracked_na()

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...

CVE-2026-52947

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A “use-after-free” vulnerability in the Linux kernel’s ipv4:igmp component can be exploited to achieve local privilege escalation. A race condition can also be exploited, causing a timer to be mistakenly registered on a RCU read-locked object that is then freed by another thread. We recommend...

Linux Distros Unpatched Vulnerability : CVE-2025-38554

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: mm: fix a UAF when vma-mm is freed after vma-vmrefcnt got dropped By inducing delays in the...

DEBIAN-CVE-2023-6932

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

OESA-2023-1783 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4040cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling open, aka a race...