Vulnerability · Published Mar 1, 2023 · Assigned by mitre
CVE-2023-23003
Medium 4.0
In plain English
A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.3%top 81.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.16.7-1 | DEBIAN-CVE-2023-23003 |
| Debian:13 | linux | 5.16.7-1 | DEBIAN-CVE-2023-23003 |
| Debian:14 | linux | 5.16.7-1 | DEBIAN-CVE-2023-23003 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-23003 |
Affected products (as reported)
Weakness: CWE-252 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H