Unrated
CVE-2026-74221 affecting package qemu 10.1.0-1
Type: advisorySources: OSV
U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.
- Products
- qemu
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-74221
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:04 UTC · Revision 1
Source evidence
CVE-2026-74221 affecting package qemu 10.1.0-1
core-osv · Original sourcePublished 29 Sept 2026, 22:18 UTC
U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.
osv:AZL-105702
qemu
Fixed versions: Not specified
Complete source record
{
"id": "c78909d19c662f9d7a92ea8b56b9a325fa00e1d93bb5867b2f8320a0f240e84c",
"url": "https://osv.dev/vulnerability/AZL-105702",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-74221 affecting package qemu 10.1.0-1",
"summary": "U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.",
"evidence": "osv:AZL-105702",
"products": [
{
"name": {
"value": "qemu",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "AZL-105702",
"aliases": [
"AZL-105702"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.1.0-1"
}
]
}
],
"package": {
"name": "qemu",
"purl": "pkg:rpm/azure-linux/qemu",
"ecosystem": "Azure Linux:3"
},
"database_specific": {
"source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-105702.json"
}
}
],
"modified": "2026-10-15T05:37:09Z",
"provider": "osv",
"upstream": [
"CVE-2026-74221"
],
"references": [
"https://nvd.nist.gov/vuln/detail/CVE-2026-74221"
]
},
"related_cves": [
{
"value": "CVE-2026-74221",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 321357,
"published_at": "2026-09-29T22:18:33+00:00"
}