HOMEVULNERABILITIESCVE-2026-31645
MEDIUM

CVE-2026-31645

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

5.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.6th

Official Description

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

net: lan966x: fix page pool leak in error paths

lan966x_fdma_rx_alloc() creates a page pool but does not destroy it if

the subsequent fdma_alloc_coherent() call fails, leaking the pool.

Similarly, lan966x_fdma_init() frees the coherent DMA memory when

lan966x_fdma_tx_alloc() fails but does not destroy the page pool that

was successfully created by lan966x_fdma_rx_alloc(), leaking it.

Add the missing page_pool_destroy() calls in both error paths.

NVD Source

Technical Analysis

CVE-2026-31645 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
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Official Patches & Advisories

PATCHhttps://git.kernel.org/stable/c/076344a6ad9d1308faaed1402fdcfdda68b604ab
PATCHhttps://git.kernel.org/stable/c/22e1ee9f22b5c3bb702bb6d4167d770002a85b2b
PATCHhttps://git.kernel.org/stable/c/4941e234cfd67ac911fb259642b453f9f76aac41
PATCHhttps://git.kernel.org/stable/c/73e940c4249dc5ec6422d1fae535d192fb125955

All References (4)

→
https://git.kernel.org/stable/c/076344a6ad9d1308faaed1402fdcfdda68b604abPatch
→
https://git.kernel.org/stable/c/22e1ee9f22b5c3bb702bb6d4167d770002a85b2bPatch
→
https://git.kernel.org/stable/c/4941e234cfd67ac911fb259642b453f9f76aac41Patch
→
https://git.kernel.org/stable/c/73e940c4249dc5ec6422d1fae535d192fb125955Patch

Quick Facts

CVE IDCVE-2026-31645
CVSS Score5.5 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 24, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-31645 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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