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VULNERABILITIES

CVE-2019-20172 Details

Description

Kernel/VM/MemoryManager.cpp in SerenityOS before 2019-12-30 does not reject syscalls with pointers into the kernel-only virtual address space, which allows local users to gain privileges by overwriting a return address that was found on the kernel stack.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/Fire30/CTF-WRITEUPS/tree/master/36c3_ctf/wisdom CVEExploitThird Party Advisory
https://github.com/SerenityOS/serenity/commit/0fc24fe2564736689859e7edfa177a86dac36bf9 CVEPatchThird Party Advisory
https://github.com/Fire30/CTF-WRITEUPS/tree/master/36c3_ctf/wisdom [email protected]ExploitThird Party Advisory
https://github.com/SerenityOS/serenity/commit/0fc24fe2564736689859e7edfa177a86dac36bf9 [email protected]PatchThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
serenityos serenityos
< 2019-12-30

CPE

  • cpe:2.3:o:serenityos:serenityos:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-20172
NVD Published Date:
Dec 31, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-20172 Details - Not Deferred