linux — security advisory
In the Linux kernel, the following vulnerability has been resolved: efi: fix NULL-deref in init error path In cases where runtime services are not supported or have been disabled, the runtime services workqueue will never have been allocated. Do not try to destroy the workqueue unconditionally in the unlikely event that EFI initialisation fails to avoid dereferencing a NULL pointer.
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 6.1.7-1
- CVEs
- CVE-2022-48879
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:53 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: efi: fix NULL-deref in init error path In cases where runtime services are not supported or have been disabled, the runtime services workqueue will never have been allocated. Do not try to destroy the workqueue unconditionally in the unlikely event that EFI initialisation fails to avoid dereferencing a NULL pointer.
osv:DEBIAN-CVE-2022-48879
linux
Fixed versions: 6.1.7-1
linux
Fixed versions: 6.1.7-1
linux
Fixed versions: 6.1.7-1
Complete source record
{
"id": "b98ed118238e59d365a353d64267164da583d11478871f516a5fa137c1e08df5",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-48879",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-48879",
"summary": "In the Linux kernel, the following vulnerability has been resolved: efi: fix NULL-deref in init error path In cases where runtime services are not supported or have been disabled, the runtime services workqueue will never have been allocated. Do not try to destroy the workqueue unconditionally in the unlikely event that EFI initialisation fails to avoid dereferencing a NULL pointer.",
"evidence": "osv:DEBIAN-CVE-2022-48879",
"products": [
{
"name": {
"value": "linux",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.1.7-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
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],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2022-48879",
"aliases": [
"DEBIAN-CVE-2022-48879"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"events": [
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},
{
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],
"package": {
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"purl": "pkg:deb/debian/linux?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48879.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
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{
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],
"package": {
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"purl": "pkg:deb/debian/linux?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48879.json"
},
"ecosystem_specific": {
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},
{
"ranges": [
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{
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],
"package": {
"name": "linux",
"purl": "pkg:deb/debian/linux?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48879.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:02:33.856493094Z",
"provider": "osv",
"upstream": [
"CVE-2022-48879"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-48879"
]
},
"related_cves": [
{
"value": "CVE-2022-48879",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 323636,
"published_at": "2024-08-21T07:15:04.69+00:00"
}