Dell Alienware m17 R5 BIOS version prior to 1.2.2 contain a buffer access vulnerability.

published 2023-01-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37354

cvss: 5.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

Dell Alienware m17 R5 BIOS version prior to 1.2.2 contain a buffer access vulnerability. A malicious user with admin privileges could potentially exploit this vulnerability by sending input larger than expected in order to leak certain sections of SMRAM.

Patch / fix

fixed in 1

Dell CPG BIOS 1.2.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-04-02)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
NVD	3.1	2.3	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected products

Dell CPG BIOS

Classification

Weakness

CWE-805 Buffer Access with Incorrect Length Value
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

dell.com /support/kbdoc/en-us/000205329/dsa-2022-317-dell-client-security-update-for-dell-client-bios
vendor-advisory

Sources

CVE List CVE-2022-34399
NVD CVE-2022-34399

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