CVE-2019-5603 describes a vulnerability in FreeBSD versions 12.0-STABLE, 12.0-RELEASE, 11.3-STABLE, 11.3-RELEASE, and 11.2-RELEASE, where mqueuefs system calls failed to properly release file descriptor references. This flaw could allow a malicious local user to overflow a counter, gaining unauthorized access to files, directories, and sockets owned by other users. With a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and requires local privileges, but could lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed on the CISA KEV catalog, indicating no known active exploitation. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:11.0:-:*:*:*:*:*:* | ||
11.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:* | ||
11.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:11.2:p10:*:*:*:*:*:* | ||
11.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:11.2:p11:*:*:*:*:*:* | ||
11.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:11.2:p2:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.