vhost: move vdpa group bound check to vhost_vdpa
In the Linux kernel, the following vulnerability has been resolved: vhost: move vdpa group bound check to vhost_vdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. While we're at it, fix a bug in vdpa_sim where a valid ASID can be assigned to a group equal to ngroups, causing an out of bound write.
CVE-2026-43248
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-2026-43248
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": "bda324fd037a6b0d44da5699574ce741ca161bc4",
"lessThan": "566899af053246406f2faf931044d2b0af8f34d2",
"versionType": "git"
},
{
"status": "affected",
"version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
"lessThan": "ddb57354634b6ba851b79da45f1de42c646f27d0",
"versionType": "git"
},
{
"status": "affected",
"version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
"lessThan": "7441d35d14d9a3d66d925d90cb73c75394e6d454",
"versionType": "git"
},
{
"status": "affected",
"version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
"lessThan": "406db68f9cb976a8ddfafd631197264f2307e9c9",
"versionType": "git"
},
{
"status": "affected",
"version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
"lessThan": "cd025c1e876b4e262e71398236a1550486a73ede",
"versionType": "git"
}
],
"programFiles": [
"drivers/vdpa/mlx5/net/mlx5_vnet.c",
"drivers/vdpa/vdpa_sim/vdpa_sim.c",
"drivers/vhost/vdpa.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.19"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.19",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.75",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.16",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.6",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/vdpa/mlx5/net/mlx5_vnet.c",
"drivers/vdpa/vdpa_sim/vdpa_sim.c",
"drivers/vhost/vdpa.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-43248
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #46276 · Revision 1
- Added to Heist Feed
- Publisher date