vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-40267

io_uring/rw: ensure allocated iovec gets cleared for early failure

N/A
Published: December 6, 2025 at 09:50 PM UTC
Updated: October 15, 2026 at 08:10 PM 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
Start FreeSign In
Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/rw: ensure allocated iovec gets cleared for early failure A previous commit reused the recyling infrastructure for early cleanup, but this is not enough for the case where our internal caches have overflowed. If this happens, then the allocated iovec can get leaked if the request is also aborted early. Reinstate the previous forced free of the iovec for that situation.

Affected

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

Linux Kernel· Linux
90%
6.149ac273ae3dc296905b4d61e4c8e7a25592f6d183
Vendor states this is fixed in 094c6467fe05e0de618c5a7fcff4d3ee20aeaef8 (fixed)
Vendor states this is fixed in d3c9c213c0b86ac5dd8fe2c53c24db20f1f510bc (fixed)
Vendor states this is fixed in 6.14 (unaffected)
Vendor states this is fixed in 6.17.9 (unaffected)
Vendor states this is fixed in 6.18 (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.

References (2)

Source: cverecord
https://git.kernel.org/stable/c/094c6467fe05e0de618c5a7fcff4d3ee20aeaef8
Source: cverecord
https://git.kernel.org/stable/c/d3c9c213c0b86ac5dd8fe2c53c24db20f1f510bc

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.

Create accountSign in
Free plan, no card