Incorrect calculation in Linux kernel - CVE-2026-97982

 

Incorrect calculation in Linux kernel - CVE-2026-97982

Published: September 28, 2026


Vulnerability identifier: #VU152487
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97982
CWE-ID: CWE-682
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to incorrect budget accounting in gmac_rx() and gmac_napi_poll() when handling received packets during NAPI polling. A remote attacker can cause an idle poll to report a full budget and remain scheduled to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-97982

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins