CVE-2023-23003
MEDIUM
4
CVSS Score
Published: March 1, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:36 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
MEDIUM4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit
Description
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.16
Affected range stops below 5.16, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
Mailing ListPatchVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230331-0003/SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4MEDIUMCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- HIGH
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-252
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