Vulnerability in FreeBSD
CVE-2019-5595
In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- FreeBSD — versions FreeBSD 11.2 before 11.2-RELEASE-p9 and 12.0 before 12.0-RELEASE-p3, 12.0, 11.2
Weakness classification (CWE)
References
- security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.asc (vendor-advisory, Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/156624 (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5595?
- CVE-2019-5595 is a medium-severity vulnerability in FreeBSD, classified under Incomplete Cleanup. CVSS score: 5.5/10. Published 2019-02-12.
- How severe is CVE-2019-5595?
- Medium severity. CVSS v3 base score is 5.5 out of 10.