UnratedFix available
mmc: vub300: fix NULL-deref on disconnect
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.253, 5.15.203, 6.1.169, 6.12.82, 6.18.23, 6.19.13, 6.6.135
- CVEs
- CVE-2026-31651
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 03:01 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.
osv:CVE-2026-31651
Kernel
Fixed versions: 5.10.253, 5.15.203, 6.1.169, 6.6.135, 6.12.82, 6.18.23, 6.19.13
Complete source record
{
"id": "35193192dfb4dc073f58948c3db30aaa91999ef1f41ba05d151701ee88f5dc85",
"url": "https://osv.dev/vulnerability/CVE-2026-31651",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "mmc: vub300: fix NULL-deref on disconnect",
"summary": "In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.",
"evidence": "osv:CVE-2026-31651",
"products": [
{
"name": {
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"evidence": "/affected/1/package/name"
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"prerequisites": [],
"fixed_versions": [
{
"value": "5.10.253",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.203",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.169",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.135",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.82",
"evidence": "/affected/1/ranges"
},
{
"value": "6.18.23",
"evidence": "/affected/1/ranges"
},
{
"value": "6.19.13",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-31651",
"aliases": [
"CVE-2026-31651"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
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{
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{
"fixed": "ba3b9429de94958dc0060d9816a915dd75c34919"
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{
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{
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{
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}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
{
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{
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},
{
"type": "ECOSYSTEM",
"events": [
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{
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{
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{
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"events": [
{
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
},
{
"fixed": "6.18.23"
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]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
},
{
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}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31651.json"
}
}
],
"modified": "2026-10-28T02:30:46.658381169Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
"https://cert-portal.siemens.com/productcert/html/ssa-082556.html",
"https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
"https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0",
"https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c",
"https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93",
"https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a",
"https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61",
"https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919",
"https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82",
"https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31651.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-31651",
"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/2026/31xxx/CVE-2026-31651.json"
}
},
"related_cves": [
{
"value": "CVE-2026-31651",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 514459,
"published_at": "2026-04-24T14:45:03.905+00:00"
}