EUVD-2026-59705

In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in auditdelrule auditdelrule destroys e-rule.exe via auditremovemarkrule before unlinking the rule from RCU-visible filter lists and waiting for a grace period. Concurrent readers in auditfilte...

CVE-2026-72126

In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronizercu in isotprelease isotpnotify unregisters the RCU CAN filters via canrxunregister and clears so-bound without waiting for a grace period. isotprelease uses so-bound to decide whether it...

CVE-2026-74325 wifi: mt76: use kfree_rcu for offchannel link in mt76_put_vif_phy_link

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

EUVD-2026-58881

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...

CVE-2026-72123 can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...

CVE-2026-72012 tracing/osnoise: Call synchronize_rcu() when unregistering

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronizercu when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to...

PT-2026-72261

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: macsec: fix use-after-free of metadata dst on RX SC delete When an offloaded MACsec RX SC is deleted, macsec del rxsc ctx freed the per-SC metadata dst with metadata dst free, which kfrees the object unconditionally an...

PT-2026-72201

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronize rcu when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to...

PT-2026-72315

In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronize rcu in isotp release isotp notify unregisters the RCU CAN filters via can rx unregister and clears so-bound without waiting for a grace period. isotp release uses so-bound to decide wheth...

PT-2026-72573

In the Linux kernel, the following vulnerability has been resolved: tracing/fprobe: Fix NULL pointer dereference in fprobe fgraph entry fprobe fgraph entry sizes a shadow-stack reservation in one walk of the per-ip fprobe list and fills it in a second walk, both under rcu read lock only. A fprobe...

RHEL 9 : kernel (RHSA-2026:53990)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:53990 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fs/smb/client: fix...

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...