Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
The dell-wmi-base driver in the Linux kernel, from 5.16 before the fix, can overread a buffer when handling the ultra performance key. The source gives few details on how an attacker would trigger this. Upgrade to Linux kernel 6.1.191, 6.6.160, 6.12.114, or 6.18.57 or later in the matching series.
Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
No source has published a CVSS score for this record yet.
- CISA KEV Not listed.
- EPSS 0.0021, the 10th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
References from the CNA
- git.kernel.org/stable/c/ef16f467393ca1a15ec8431fba5e67dd6071074e
- git.kernel.org/stable/c/30674a7bbf20311a0c4edd5edb9526ef1eecc692
- git.kernel.org/stable/c/ace1a687ea9ea70d17e3089ca173acfa1ec24412
- git.kernel.org/stable/c/16a82add1918d3aae1e0b68c0a983b6fc64f5062
- git.kernel.org/stable/c/392c19faec6bf4cb72fb02322e2a61e198dd8f72
- git.kernel.org/stable/c/adfd6846bea13667ff28f8aaf00c32fbd69825ab