CVE-2023-54030

io_uring/net: don't overflow multishot recv

N/A
Published: December 24, 2025 at 10:55 AM UTC
Updated: June 17, 2026 at 06:46 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.0 ≤ v < 6.5.36.0 ≤ v < 6.66.0b3fdea6ecb55c3ceea866ff66486927e51a982b3
Vendor states this is fixed in 1e2db9837be7d24a2a74eb3f3906d0872bee8907 (fixed)
Vendor states this is fixed in b2e74db55dd93d6db22a813c9a775b5dbf87c560 (fixed)
Vendor states this is fixed in 6.0 (unaffected)
Vendor states this is fixed in 6.5.3 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusDEFERRED

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card