HOMEVULNERABILITIESCVE-2022-23218
CRITICAL

CVE-2022-23218

CWE-120Published: January 14, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its path argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.

NVD Source

Technical Analysis

CVE-2022-23218 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
gnu1 product(s)
glibc
Oracle2 product(s)
communications cloud native core unified data repositoryenterprise operations monitor
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpujul2022.html
PATCHhttps://www.oracle.com/security-alerts/cpujul2022.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
ADVISORYhttps://security.gentoo.org/glsa/202208-24
ADVISORYhttps://sourceware.org/bugzilla/show_bug.cgi?id=28768
ADVISORYhttps://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
ADVISORYhttps://security.gentoo.org/glsa/202208-24
ADVISORYhttps://sourceware.org/bugzilla/show_bug.cgi?id=28768

All References (8)

→
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202208-24Third Party Advisory
→
https://sourceware.org/bugzilla/show_bug.cgi?id=28768Exploit · Issue Tracking · Third Party Advisory
→
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202208-24Third Party Advisory
→
https://sourceware.org/bugzilla/show_bug.cgi?id=28768Exploit · Issue Tracking · Third Party Advisory
→
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch · Third Party Advisory

Quick Facts

CVE IDCVE-2022-23218
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-120
CISA KEVNo
Affected3 vendor(s)
PublishedJan 14, 2022

Related CVEs (CWE-120)

CVE-2008-3496
10.0
CVE-2022-31481
10.0
CVE-1999-0385
10.0
CVE-2025-9962
10.0
CVE-2015-5093
10.0
CVE-2026-24810
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-23218 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2022-23218·NVD