Buffer overflow in Linux Kernal
CVE-2023-4016
Under some circumstances, this weakness allows a user who has access to run the “ps” utility on a machine, the ability to write almost unlimited amounts of unfiltered data into the process heap.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (15.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.5% 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
- Linux Kernal — versions 3.3.0 (might be earlier) - latest
- Procps Project
- Fedoraproject Fedora — versions 38
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/procps-ng/procps (Product)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2023-4016?
- CVE-2023-4016 is a low-severity vulnerability in Linux Kernal, classified under Heap-based Buffer Overflow. CVSS score: 2.5/10. Published 2023-08-02.
- How severe is CVE-2023-4016?
- Low severity. CVSS v3 base score is 2.5 out of 10.
- Is CVE-2023-4016 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.