CVE-2023-23003

low-risk
Published 2023-03-01

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Do I need to act?

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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.0/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Linux

References (6)

Mailing List https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
Patch https://github.com/torvalds/linux/commit/0a515a06c5ebfa46fee3ac519e418f801e718da...
Third Party Advisory https://security.netapp.com/advisory/ntap-20230331-0003/
Mailing List https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
Patch https://github.com/torvalds/linux/commit/0a515a06c5ebfa46fee3ac519e418f801e718da...
Third Party Advisory https://security.netapp.com/advisory/ntap-20230331-0003/
16
/ 100
low-risk
Severity 10/34 · Low
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal