PT-2026-61392

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the unregister fprobe function. This occurs because the function fails to wait for the Read-Copy-Update RCU grace period—a synchronization mechanism that...

PT-2026-61332

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the keyring code where the find key to update function calls assoc array find without holding the RCU Read-Copy-Update read lock. RCU is a synchronization mechanism th...

PT-2026-61094

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the tcp ao delete key function within the del async path. The system incorrectly assumes that current key and rnext key pointers are always NULL on LISTE...

Oracle Linux 9 : kernel (ELSA-2026-36645)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-36645 advisory. - eventpoll: fix epremove struct eventpoll / struct file UAF Ian Kent RHEL-180773 CVE-2026-46242 - eventpoll: defer struct eventpoll free to RCU grace...

kernel: eventpoll: defer struct eventpoll free to RCU grace period

A flaw was found in the Linux kernel's eventpoll component. In certain situations, the epfree function in eventpoll.c can prematurely free the eventpoll data structure while it is still being used by another concurrent thread. This use-after-free UAF vulnerability could allow a local attacker to...

Oracle Linux 9 : kernel (ELSA-2026-36957)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-36957 advisory. - KVM: x86: Fix shadow paging use-after-free due to unexpected role Paolo Bonzini RHEL-192400 CVE-2026-53359 - KVM: x86: Fix shadow paging...

kernel: eventpoll: defer struct eventpoll free to RCU grace period

A flaw was found in the Linux kernel's eventpoll component. In certain situations, the epfree function in eventpoll.c can prematurely free the eventpoll data structure while it is still being used by another concurrent thread. This use-after-free UAF vulnerability could allow a local attacker to...

Important: kernel update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: eventpoll: defer struct eventpoll free to RCU grace period CVE-2026-43074 kernel: eventpoll: fix epremove struct eventpoll / struct file UAF CVE-2026-46242 kernel: Linux kernel: netfilter...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for NVIDIA for RHEL 10. 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 for each vulnerability from the CVE...

SUSE CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53349

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

UBUNTU-CVE-2026-53349

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

CVE-2026-53349

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

CVE-2026-53349 netfilter: nf_conntrack: destroy stale expectfn expectations on unregister

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

PT-2026-54817

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf conntrack: destroy stale expectfn expectations on unregister NAT helpers such as nf nat h323 store a raw pointer to module text in exp-expectfn e.g. ip nat q931 expect. nf ct helper expectfn unregister only unlinks...

net: phonet: free phonet_device after RCU grace period

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SUSE CVE-2026-53157

In the Linux kernel, the following vulnerability has been resolved: net: phonet: free phonetdevice after RCU grace period phonetdevicedestroy removes a phonetdevice from the per-net device list with listdelrcu, but frees it immediately. RCU readers walking the same list can still hold a pointer t...

CVE-2026-53248

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Fix use-after-free in metadata dst teardown airohametadatadstfree runs metadatadstfree which frees the metadatadst with kfree immediately, bypassing the RCU grace period. In the RX path, skbdstsetnoref sets a...