CVE-2016-9644 describes a privilege escalation vulnerability in the Linux kernel versions 4.4.22 through 4.4.28, specifically within the __get_user_asm_ex macro. This flaw, caused by an incorrect backport of a previous patch, allows local users on non-SMEP platforms to gain root access through a crafted application. The vulnerability carries a CVSS v3 score of 7.8 (High), indicating a high impact on confidentiality, integrity, and availability, with a low attack complexity requiring no user interaction. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.4.22CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.4.22:*:*:*:*:*:*:* | ||
4.4.23CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.4.23:*:*:*:*:*:*:* | ||
4.4.24CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.4.24:*:*:*:*:*:*:* | ||
4.4.25CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.4.25:*:*:*:*:*:*:* | ||
4.4.26CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.4.26:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.