Vulnerability in FreeBSD
CVE-2023-5370
On CPU 0 the check for the SMCCC workaround is called before SMCCC support has been initialized. This resulted in no speculative execution workarounds being installed on CPU 0.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- FreeBSD — versions 13.2, 13.2-RELEASE
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.FreeBSD.org/advisories/FreeBSD-SA-23:14.smccc.asc (vendor-advisory, Vendor Advisory)
- security.netapp.com/advisory/ntap-20231124-0005/
Frequently asked questions
- What is CVE-2023-5370?
- CVE-2023-5370 is a medium-severity vulnerability in FreeBSD, classified under Improper Initialization. CVSS score: 5.5/10. Published 2023-10-04.
- How severe is CVE-2023-5370?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-5370 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.