iio: adc: ad4030: fix invalid oversampling_ratio validation
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad4030: fix invalid oversampling_ratio validation In ad4030_set_avg_frame_len(), the logarithm is calculated before input validation. Passing zero or negative values leads to an undefined result from ilog2(). Validate that the input is strictly positive prior to computing its logarithm.
CVE-2026-98678
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-2026-98678
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": "949abd1ca5a4342d9fb8c774035222e65dd1cfe4",
"lessThan": "6b0cc4e32599f59c994a60743f53fc72cb2979f4",
"versionType": "git"
},
{
"status": "affected",
"version": "949abd1ca5a4342d9fb8c774035222e65dd1cfe4",
"lessThan": "6ca6dcbaa68c5e6dc4df171a32c5822e1a4c66c1",
"versionType": "git"
},
{
"status": "affected",
"version": "949abd1ca5a4342d9fb8c774035222e65dd1cfe4",
"lessThan": "d615210564205993e8f0e7ccb57cc2e66b7d5706",
"versionType": "git"
}
],
"programFiles": [
"drivers/iio/adc/ad4030.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.56",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.10",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/iio/adc/ad4030.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98678
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38682 · Revision 1
- Added to Heist Feed
- Publisher date