CVE-2025-39875 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 23
Description
In the Linux kernel, the following vulnerability has been resolved:
igb: Fix NULL pointer dereference in ethtool loopback test
The igb driver currently causes a NULL pointer dereference when executing
the ethtool loopback test. This occurs because there is no associated
q_vector for the test ring when it is set up, as interrupts are typically
not added to the test rings.
Since commit 5ef44b3cb43b removed the napi_id assignment in
__xdp_rxq_info_reg(), there is no longer a need to pass a napi_…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linux2c6196013f84651772388a86dfd4bb033d0c0d45 — 473be7d39efd3be383e9c0c8e44b53508b4ffeb5+2
Patches
🔴Vulnerability Details
2OSV▶
CVE-2025-39875: In the Linux kernel, the following vulnerability has been resolved: igb: Fix NULL pointer dereference in ethtool loopback test The igb driver currentl↗2025-09-23
GHSA▶
GHSA-h2wv-j9q6-hqmc: In the Linux kernel, the following vulnerability has been resolved:
igb: Fix NULL pointer dereference in ethtool loopback test
The igb driver curren↗2025-09-23