HighFix available
NFSD: Prevent NULL dereference in nfsd4_process_cb_update()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.325, 5.10.231, 5.15.174, 5.4.287, 6.1.120, 6.11.11, 6.12.2, 6.6.64
- CVEs
- CVE-2024-53217
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 17:53 UTC · Revision 1
Source evidence
NFSD: Prevent NULL dereference in nfsd4_process_cb_update()
core-osv · Original sourcePublished 27 Dec 2024, 13:50 UTC
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.
osv:CVE-2024-53217
Kernel
Fixed versions: 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2
Complete source record
{
"id": "916e44dde955dd38e01b25190ec3d84f2aec88cee58c6fe74bf3f5c6bd536e8b",
"url": "https://osv.dev/vulnerability/CVE-2024-53217",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "NFSD: Prevent NULL dereference in nfsd4_process_cb_update()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.",
"evidence": "osv:CVE-2024-53217",
"products": [
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"prerequisites": [],
"fixed_versions": [
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{
"value": "5.4.287",
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],
"modified": "2026-10-28T02:30:21.961213902Z",
"provider": "osv",
"references": [
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"https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1",
"https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8",
"https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38",
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"https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a",
"https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee",
"https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62",
"https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79",
"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53217.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-53217",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53217.json"
}
},
"related_cves": [
{
"value": "CVE-2024-53217",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 487963,
"published_at": "2024-12-27T13:50:02.727+00:00"
}