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Vulnerability · Published Jan 12, 2024 · Assigned by mitre

CVE-2022-48620

Critical 9.8

In plain English

A critical-severity buffer overflow in the libuev package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.3%top 29.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libuev2.4.0-1.1+deb12u1DEBIAN-CVE-2022-48620
Debian:13libuev2.4.1-1DEBIAN-CVE-2022-48620
Debian:14libuev2.4.1-1DEBIAN-CVE-2022-48620
Ubuntu:22.04:LTSlibuevno fix listedUBUNTU-CVE-2022-48620
Ubuntu:24.04:LTSlibuevno fix listedUBUNTU-CVE-2022-48620
Ubuntu:25.10libuevno fix listedUBUNTU-CVE-2022-48620
Ubuntu:26.04:LTSlibuevno fix listedUBUNTU-CVE-2022-48620
Ubuntu:26.10libuevno fix listedUBUNTU-CVE-2022-48620

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References