CVE-2026-43074

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree to an RCU...

CVE-2026-43074

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree to an RCU...

CVE-2026-43074 eventpoll: defer struct eventpoll free to RCU grace period

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree to an RCU...

CVE-2026-43074 eventpoll: defer struct eventpoll free to RCU grace period

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree to an RCU...

Linux Distros Unpatched Vulnerability : CVE-2026-43091

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: Wait for RCU readers during policy netns exit xfrmpolicyfini frees the policybydst hash tables after flushing the policy work items and deleting all...

PT-2026-37401

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm component where the xfrm policy fini function frees the policy bydst hash tables after flushing policy work items and deleting policies without waiting for...

Linux Distros Unpatched Vulnerability : CVE-2026-43074

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still...

PT-2026-37425

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tiny SRCU Sleep-based Read-Copy-Update implementation where the srcu gp start if needed function directly calls schedule work. This sequence acquires the pool-lock...

Cisco Emergency Responder Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco Emergency Responder is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco Emergency Responder due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds,...

Cisco Secure Email and Web Manager Remote Code Execution Vulnerability (regreSSHion) (cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco Secure Email and Web Manager is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco Secure Email and Web Manager due to a signal handler race condition found in sshd, where a client does not authenticate within...

Cisco Smart Software Manager On-Prem Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco Smart Software Manager On-Prem is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco Smart Software Manager On-Prem due to a signal handler race condition found in sshd, where a client does not authenticate within...

Cisco UCS Director Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco UCS Director is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco UCS Directory due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds, after which th...

Cisco Secure Email Gateway Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco Secure Email Gateway is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco Secure Email Gateway due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds,...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop in attrloadrunsrange on inconsistent metadata CVE-2025-71265 In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check return value of indxfind to avoid...

Cisco IOS XE Software Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco IOS XE Software due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds, after whi...

Cisco NX-OS Software Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco NX-OS Software due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds, after which...

Cisco IOS XR Software Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco IOS XR Software is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco IOS XR Software due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds, after whi...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Linux Distros Unpatched Vulnerability : CVE-2026-31665

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftct: fix use-after-free in timeout object destroy nftcttimeoutobjdestroy frees the timeout object with kfree immediately after nfctuntimeout, witho...

CVE-2026-31665

CVE-2026-31665 affects the Linux kernel netfilter nf_conntrack timeout destruction. The issue is a use-after-free where nft_ct_timeout_obj_destroy() frees the timeout object with kfree() immediately after nf_ct_untimeout(), potentially leaving RCU-protected references active. The documented fix d...