UnratedFix available
powerpc/powernv: Add a null pointer check in opal_event_init()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.306, 5.10.209, 5.15.148, 5.4.268, 6.1.75, 6.6.14, 6.7.2
- CVEs
- CVE-2023-52686
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:50 UTC · Revision 1
Source evidence
powerpc/powernv: Add a null pointer check in opal_event_init()
core-osv · Original sourcePublished 17 May 2024, 14:24 UTC
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
osv:CVE-2023-52686
Kernel
Fixed versions: 4.19.306, 5.4.268, 5.10.209, 5.15.148, 6.1.75, 6.6.14, 6.7.2
Complete source record
{
"id": "0f63179aa63325a815c3cd72ecb808283e90162540305304173b7fdf9d06f309",
"url": "https://osv.dev/vulnerability/CVE-2023-52686",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "powerpc/powernv: Add a null pointer check in opal_event_init()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.",
"evidence": "osv:CVE-2023-52686",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.19.306",
"evidence": "/affected/1/ranges"
},
{
"value": "5.4.268",
"evidence": "/affected/1/ranges"
},
{
"value": "5.10.209",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.148",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.75",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.14",
"evidence": "/affected/1/ranges"
},
{
"value": "6.7.2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2023-52686",
"aliases": [
"CVE-2023-52686"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "2717a33d60745f2f72e521cdaedf79b00f66f8ca"
},
{
"fixed": "8422d179cf46889c15ceff9ede48c5bfa4e7f0b4"
},
{
"fixed": "e93d7cf4c1ddbcd846739e7ad849f955a4f18031"
},
{
"fixed": "e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf"
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{
"fixed": "c0b111ea786ddcc8be0682612830796ece9436c7"
},
{
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},
{
"fixed": "a14c55eb461d630b836f80591d8caf1f74e62877"
},
{
"fixed": "e08c2e275fa1874de945b87093f925997722ee42"
},
{
"fixed": "8649829a1dd25199bbf557b2621cedb4bf9b3050"
}
]
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52686.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.11.0"
},
{
"fixed": "4.19.306"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.20.0"
},
{
"fixed": "5.4.268"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.5.0"
},
{
"fixed": "5.10.209"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.11.0"
},
{
"fixed": "5.15.148"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
},
{
"fixed": "6.1.75"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.6.14"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
},
{
"fixed": "6.7.2"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52686.json"
}
}
],
"modified": "2026-10-28T02:30:38.431108663Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4",
"https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050",
"https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9",
"https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877",
"https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7",
"https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42",
"https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf",
"https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031",
"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52686.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-52686",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52686.json"
}
},
"related_cves": [
{
"value": "CVE-2023-52686",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 505482,
"published_at": "2024-05-17T14:24:47.984+00:00"
}