Medium 5.5Published Sep 19, 2025

CVE-2025-39858eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring

Updated under an hour ago (Oct 27, 2026, 8:10 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring Replace NULL check with IS_ERR() check after calling page_pool_create() since this function returns error pointers (ERR_PTR). Using NULL check could lead to invalid pointer dereference.

CVSS: 5.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	8533b14b3d65ee666ba31254787c1bdaee56d95a builds before 7b77d8841a98a9f45c8a615222c698df8dec581c; from 8533b14b3d65ee666ba31254787c1bdaee56d95a before e580beaf43d563aaf457f1c7f934002355ebfe7b	CNA record
linux linux_kernel linux:linux_kernel	from 6.15 before 6.16.6; 6.17; 6.17; 6.17; 6.17	NVD

References

References

https://git.kernel.org/stable/c/7b77d8841a98a9f45c8a615222c698df8dec581c	patch
https://git.kernel.org/stable/c/e580beaf43d563aaf457f1c7f934002355ebfe7b	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.