Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/net: fixed the abuse of ioreqpostcqe by sending bundled requests. 114.987980T5313 WARNING: CPU: 6 PID: 5313 at iouring/iouring.c:872 ioreqpostcqe+0x12e/0x4f0 114.991597T5313 RIP: 0010:ioreqpostcqe+0x12e/0x4f0...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/net: Do not allow overflowing multishot recv. Do not allow overflowing multishot recv CQs; this could lead to unexpected behavior, degrade performance, and in the worst-case scenario, cause the task to terminate due to...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed the issue where multishot accept requests could lead to leaks. Setting REQFPOLLED does not guarantee that the request will be executed as a multishot from the polling path. Fortunately, if the code misidentifies...

Linux Distros Unpatched Vulnerability : CVE-2026-23473

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 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 taskwo...

CVE-2026-23473

A flaw was found in the Linux kernel's iouring/poll subsystem. A race condition can occur when a socket performs send and shutdown operations in quick succession. This can cause a multishot receive operation to hang indefinitely, leading to a Denial of Service DoS for affected systems...

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Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...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

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

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Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...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

CVE-2026-23473

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-23473

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PT-2026-30167

In the Linux kernel, the following vulnerability has been resolved: io uring/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 task work has a chance to run. The first wake gets poll ownership poll...

CVE-2023-54030

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

SUSE CVE-2023-54030

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

CVE-2023-54030

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

CVE-2023-54030

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

UBUNTU-CVE-2023-54030

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

CVE-2023-54030 io_uring/net: don't overflow multishot recv

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

CVE-2023-54030

Summary: CVE-2023-54030 affects the Linux kernel’s io_uring/net path. The issue is an overflow of multishot receive CQEs, which can lead to degraded performance and, in the worst case, OOM the task. The vulnerability has been resolved in the Linux kernel by upstream fixes. What changed: The patch...