MediumFix available
linux — security advisory
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 5.16.7-1
- CVEs
- CVE-2023-23003
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:39 UTC · Revision 1
Source evidence
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
osv:DEBIAN-CVE-2023-23003
linux
Fixed versions: 5.16.7-1
linux
Fixed versions: 5.16.7-1
linux
Fixed versions: 5.16.7-1
Complete source record
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"method": "structured",
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"modified": "2026-10-26T18:01:21.424540770Z",
"provider": "osv",
"upstream": [
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"references": [
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
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"source_id": "core-osv",
"document_id": 455470,
"published_at": "2023-03-01T20:15:14.233+00:00"
}