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...

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...

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...

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...

CVE-2026-52933

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...

CVE-2026-52933

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: fix signed comparison in iopollgetownership iopollgetownership uses a signed comparison to check whether pollrefs has reached the threshold for the slowpath: if unlikelyatomicread&req-pollrefs = IOPOLLREFBIAS...

Linux Distros Unpatched Vulnerability : CVE-2026-52933

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/poll: fix signed comparison in iopollgetownership iopollgetownership uses a signed comparison to check whether pollrefs has reached the threshold for th...

Astra Linux – Vulnerability in Linux 6.1

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-23473

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: fix multishot recv missing EOF on wakeup race When a socket send and shutdown happen back-to-back, both fire wake-ups before the receiver's taskwork has a chance to run. The first wake gets poll ownership pollrefs=1...

EUVD-2026-18746

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: fix multishot recv missing EOF on wakeup race When a socket send and shutdown happen back-to-back, both fire wake-ups before the receiver's taskwork has a chance to run. The first wake gets poll ownership pollrefs=1...

CVE-2026-23473

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-23473

The CVE-2026-23473 issue affects the Linux kernel io_uring/poll path. A race occurs when a socket send and shutdown() wake up the poll loop back-to-back; the first wake assigns poll ownership (poll_refs=1) and the second increments to 2. io_poll_check_events() calls io_poll_issue(), which perform...

AZL-75147 CVE-2025-71149 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: correctly handle iopolladd return value on update When the core of iouring was updated to handle completions consistently and with fixed return codes, the POLLREMOVE opcode with updates got slightly broken. If a...

CVE-2025-71149

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: correctly handle iopolladd return value on update When the core of iouring was updated to handle completions consistently and with fixed return codes, the POLLREMOVE opcode with updates got slightly broken. If a...

CVE-2025-71149

CVE-2025-71149 is reported in multiple advisories as a Linux kernel io_uring/poll issue. The root cause is incorrect handling of the return value from io_poll_add() during updates, which can affect completion/event signaling (CQEs) for POLL_ADD/POLL_REMOVE scenarios. Affected advisories reference...

Linux Distros Unpatched Vulnerability : CVE-2025-71149

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: iouring/poll: correctly handle iopolladd return value on update When the core of iouring was...

Linux Distros Unpatched Vulnerability : CVE-2023-52895

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: iouring/poll: don't reissue in case of poll race on multishot request A previous commit fixe...

Linux Distros Unpatched Vulnerability : CVE-2023-0468

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A use-after-free flaw was found in iouring/poll.c in iopollcheckevents in the iouring subcomponent in the Linux Kernel due to a race condition of pollrefs. This...

Linux Distros Unpatched Vulnerability : CVE-2023-52914

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: iouring/poll: add hash if ready poll request can't complete inline If we don't, then we may...