CVE-2019-20172 is a privilege escalation vulnerability affecting SerenityOS versions prior to 2019-12-30. It stems from the kernel's failure to reject syscalls containing pointers into kernel-only memory, allowing a local attacker to overwrite a kernel stack return address. Rated 7.8 HIGH on CVSS, this flaw has a low attack complexity and can lead to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2019-12-30CPE matchmatch criteria | cpe:2.3:o:serenityos:serenityos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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.