CVE-2022-30688 — needrestart 0
needrestart 0.8 through 3.5 before 3.6 is prone to local privilege escalation. Regexes to detect the Perl, Python, and Ruby interpreters are not anchored, allowing a local user to escalate privileges when needrestart tries to detect if interpreters are using old source files.
Published
2022-05-17T18:58:09.000Z
Last modified
2025-11-03T21:46:15.566Z
01What is this vulnerability?
needrestart 0.8 through 3.5 before 3.6 is prone to local privilege escalation. Regexes to detect the Perl, Python, and Ruby interpreters are not anchored, allowing a local user to escalate privileges when needrestart tries to detect if interpreters are using old source files.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-05-17T18:58:09.000Z
- Last modified: 2025-11-03T21:46:15.566Z
09References
- github.com — https://github.com/liske/needrestart/releases/tag/v3.6
- github.com — https://github.com/liske/needrestart/commit/e6e58136e1e3c92296e2e810cb8372a5fe0d…
- lists.debian.org — https://lists.debian.org/debian-security-announce/2022/msg00105.html
- www.openwall.com — https://www.openwall.com/lists/oss-security/2022/05/17/9
- www.openwall.com — http://www.openwall.com/lists/oss-security/2022/05/17/9
- www.debian.org — https://www.debian.org/security/2022/dsa-5137
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/05/msg00024.html
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