Vulnerability in Linux Kernel
CVE-2023-23003
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16 (Patch, Mailing List, Vendor Advisory)
- github.com/torvalds/linux/commit/0a515a06c5ebfa46fee3ac519e418f801e718da4 (Patch)
- security.netapp.com/advisory/ntap-20230331-0003/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-23003?
- CVE-2023-23003 is a medium-severity vulnerability in Linux Kernel, classified under CWE-252. CVSS score: 4.0/10. Published 2023-03-01.
- How severe is CVE-2023-23003?
- Medium severity. CVSS v3 base score is 4.0 out of 10.