HOMEVULNERABILITIESCVE-2026-31672
MEDIUM

CVE-2026-31672

Published: April 24, 2026· Updated: Apr 27, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.7th

Official Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: rt2x00usb: fix devres lifetime

USB drivers bind to USB interfaces and any device managed resources

should have their lifetime tied to the interface rather than parent USB

device. This avoids issues like memory leaks when drivers are unbound

without their devices being physically disconnected (e.g. on probe

deferral or configuration changes).

Fix the USB anchor lifetime so that it is released on driver unbind.

NVD Source

Technical Analysis

CVE-2026-31672 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Linux1 product
linux kernel
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://git.kernel.org/stable/c/15b233e33b35b927bd8d0044c15325564ea1ba24
PATCHhttps://git.kernel.org/stable/c/1de5c76bf40e9cdeebf54662f63011fb10fa452f
PATCHhttps://git.kernel.org/stable/c/25369b22223d1c56e42a0cd4ac9137349d5a898e
PATCHhttps://git.kernel.org/stable/c/64a457f6afbf15f984d95201a9a1e71eed3f9dd1
PATCHhttps://git.kernel.org/stable/c/65518a6965d527c53013947031f26754f6a4f6af
PATCHhttps://git.kernel.org/stable/c/b245db719bc7e57abf48bd5701662b270c3880f7
PATCHhttps://git.kernel.org/stable/c/c99f198841b41735796e2ddfcd573783fb552eb9
PATCHhttps://git.kernel.org/stable/c/e360d15fcb1e819eef49e3d4434d8050542eed16

All References (8)

→
https://git.kernel.org/stable/c/15b233e33b35b927bd8d0044c15325564ea1ba24Patch
→
https://git.kernel.org/stable/c/1de5c76bf40e9cdeebf54662f63011fb10fa452fPatch
→
https://git.kernel.org/stable/c/25369b22223d1c56e42a0cd4ac9137349d5a898ePatch
→
https://git.kernel.org/stable/c/64a457f6afbf15f984d95201a9a1e71eed3f9dd1Patch
→
https://git.kernel.org/stable/c/65518a6965d527c53013947031f26754f6a4f6afPatch
→
https://git.kernel.org/stable/c/b245db719bc7e57abf48bd5701662b270c3880f7Patch
→
https://git.kernel.org/stable/c/c99f198841b41735796e2ddfcd573783fb552eb9Patch
→
https://git.kernel.org/stable/c/e360d15fcb1e819eef49e3d4434d8050542eed16Patch

Quick Facts

CVE IDCVE-2026-31672
CVSS Score5.5 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedApr 24, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-31672 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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