linux — security advisory
In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/deref_null.cocci errors: ./tools/tracing/rtla/src/osnoise_hist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoise_top.c:650:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_hist.c:905:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_top.c:700:31-36: ERROR: record is NULL but dereferenced. "record" is NULL before calling osnoise_init_trace_tool. Add a tag "out_free" to avoid dereferring a NULL pointer.
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 5.18.5-1
- CVEs
- CVE-2022-49423
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:26 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/deref_null.cocci errors: ./tools/tracing/rtla/src/osnoise_hist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoise_top.c:650:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_hist.c:905:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_top.c:700:31-36: ERROR: record is NULL but dereferenced. "record" is NULL before calling osnoise_init_trace_tool. Add a tag "out_free" to avoid dereferring a NULL pointer.
osv:DEBIAN-CVE-2022-49423
linux
Fixed versions: 5.18.5-1
linux
Fixed versions: 5.18.5-1
linux
Fixed versions: 5.18.5-1
Complete source record
{
"id": "01f4def9d0f063f669555f1518cd324a32fecf634af1cf46d574214ccc9adbc8",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-49423",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-49423",
"summary": "In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/deref_null.cocci errors: ./tools/tracing/rtla/src/osnoise_hist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoise_top.c:650:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_hist.c:905:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_top.c:700:31-36: ERROR: record is NULL but dereferenced. \"record\" is NULL before calling osnoise_init_trace_tool. Add a tag \"out_free\" to avoid dereferring a NULL pointer.",
"evidence": "osv:DEBIAN-CVE-2022-49423",
"products": [
{
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"evidence": "/affected/0/package/name"
},
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"evidence": "/affected/0/ranges"
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},
{
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"severity": "medium",
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"aliases": [
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"metrics": [
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"affected": [
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"ecosystem": "Debian:12"
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"database_specific": {
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{
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"package": {
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{
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"package": {
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"ecosystem": "Debian:14"
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"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49423.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:02:58.940962439Z",
"provider": "osv",
"upstream": [
"CVE-2022-49423"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-49423"
]
},
"related_cves": [
{
"value": "CVE-2022-49423",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 324816,
"published_at": "2025-02-26T07:01:18.783+00:00"
}