AZL-99963 CVE-2026-80920 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

CVE-2026-80920

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

EUVD-2026-75095

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

CVE-2026-80920 io_uring: defer eventfd signaling when queued from a wakeup handler

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

CVE-2026-80920

CVE-2026-80920 affects the Linux kernel io_uring subsystem. The root cause is that io_req_local_work_add() signals the CQ ring eventfd inline when it pushes the first entry onto ->work_list. For DEFER_TASKRUN rings, this add is frequently done from a waitqueue wakeup handler where an arbitrary...

CVE-2026-80920 io_uring: defer eventfd signaling when queued from a wakeup handler

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RLSA-2026:64775 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: bcm: add locking for bcmop runtime updates CVE-2025-38004 kernel: ipv6: add NULL checks for idev in SRv6 paths CVE-2026-23442 kernel: udp: Fix wildcard bind conflict check when using...

RLSA-2026:64808 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: bcm: add locking for bcmop runtime updates CVE-2025-38004 kernel: iouring/poll: fix signed comparison in iopollgetownership CVE-2026-52933 kernel: netfilter: nat: use kfreercu to...

kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership()

A flaw was found in the Linux kernel's iouring/poll component. A logic error exists in the iopollgetownership function due to an incorrect signed comparison. This flaw prevents the necessary slowpath from being triggered when the IOPOLLCANCELFLAG is set, potentially leading to unexpected behavior...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update 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 for...

RHEL 9 : kernel (RHSA-2026:65708)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:65708 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: rxrpc: Fix potential UAF afte...

CVE-2026-80920: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

Linux Distros Unpatched Vulnerability : CVE-2026-80920

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first ent...

RockyLinux 9 : kernel (RLSA-2026:64808)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:64808 advisory. kernel: can: bcm: add locking for bcmop runtime updates CVE-2025-38004 kernel: iouring/poll: fix signed comparison in iopollgetownership CVE-2026-52933...

PT-2026-89090

In the Linux kernel, the following vulnerability has been resolved: io uring: defer eventfd signaling when queued from a wakeup handler io req local work add signals the CQ ring eventfd inline when it is the one to push the first entry onto -work list. For DEFER TASKRUN rings that add is frequent...

kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership()

A flaw was found in the Linux kernel's iouring/poll component. A logic error exists in the iopollgetownership function due to an incorrect signed comparison. This flaw prevents the necessary slowpath from being triggered when the IOPOLLCANCELFLAG is set, potentially leading to unexpected behavior...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. 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 th...

kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership()

A flaw was found in the Linux kernel's iouring/poll component. A logic error exists in the iopollgetownership function due to an incorrect signed comparison. This flaw prevents the necessary slowpath from being triggered when the IOPOLLCANCELFLAG is set, potentially leading to unexpected behavior...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: bcm: add locking for bcmop runtime updates CVE-2025-38004 kernel: iouring/poll: fix signed comparison in iopollgetownership CVE-2026-52933 kernel: netfilter: nat: use kfreercu to...