Unrated
mmc: vub300: fix NULL-deref on disconnect
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.
Announced Source revision 1
Original source ↗CVE-2026-31651
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-31651
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "6446516e626ce7c44bdadbcbb3d7677a2c52ce93",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "ba3b9429de94958dc0060d9816a915dd75c34919",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "517b58e1d067115f80d198feee10192da4c424d0",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "53f2642d77ab5f1f303388bff5500363c6cf962c",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "c83a282615d8f7ba28cebddd54600b419d562d82",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "8d09e75759cb2afc0732acfb5a14a93c03805a61",
"versionType": "git"
},
{
"status": "affected",
"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
"lessThan": "dff34ef879c5e73298443956a8b391311ba78d57",
"versionType": "git"
}
],
"programFiles": [
"drivers/mmc/host/vub300.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.0"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.253",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.203",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.169",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.135",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.82",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.23",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.13",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/mmc/host/vub300.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-31651
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #28306 · Revision 1
- Added to Heist Feed
- Publisher date