A potential vulnerability in the SMI callback function used in the Legacy USB driver using boot services structure in runtime phase in some…

published 2019-11-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-15737

cvss: 6.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

A potential vulnerability in the SMI callback function used in the Legacy USB driver using boot services structure in runtime phase in some Lenovo ThinkPad models may allow arbitrary code execution.

Patch / fix

fixed in 10

lenovo thinkpad_helix_firmware gfet65ww
lenovo thinkpad_s531_firmware gket46ww
lenovo thinkpad_t440_firmware gjeta3ww
lenovo thinkpad_t440s_firmware gjeta3ww
lenovo thinkpad_t440p_firmware gleta0ww
lenovo thinkpad_t540p_firmware gmet89ww
lenovo thinkpad_w540_firmware gnet92ww
lenovo thinkpad_w541_firmware gnet92ww
lenovo thinkpad_x240_firmware giet98ww
lenovo thinkpad_x240s_firmware giet98ww

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.4	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	6.4	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.4	AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

Lenovo ThinkPad

References

support.lenovo.com /us/en/product_security/LEN-27714
vendor-advisory

Sources

CVE List CVE-2019-6170
NVD CVE-2019-6170

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary