ZDF
Sign inSign up

Vulnerabilities

Vulnerability · 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…

Published Aug 2, 2023 · catalog updated Oct 14, 2026 · Linux Linux Kernal

Check if you run it

No confirmed exploitation is on record for CVE-2023-4016. EPSS is 0.29%. Act only if a listed version of Linux Linux Kernal is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low3.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Not established
Affected products
cpe fedoraproject/fedora · cpe procps project/procps · vendor Linux Linux Kernal

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe fedoraproject/fedora38
  • cpe procps project/procpsversion unspecified
  • vendor Linux Linux Kernalversion unspecified

How to fix CVE-2023-4016

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-4016. EPSS is 0.29%. Act only if a listed version of Linux Linux Kernal is installed.

Which versions are affected?

Compare what you have installed with 38. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-122: Heap-based Buffer Overflow; CWE-787: Out-of-bounds Write. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 2, 2023 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-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.circl.lu
  • CVE.orgVulnerability recordCVE-2023-4016

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-4016

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.