iio: buffer: Ensure bounce buffer used for unaligned case is zeroed.
In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Ensure bounce buffer used for unaligned case is zeroed. iio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory to userspace if the data passed in is not a multiple of 8 bytes and the timestamp is enabled. Specify __GFP_ZERO for the devm_krealloc() to ensure any extra space is cleared.
CVE-2026-98668
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-2026-98668
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": "95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6",
"lessThan": "b4f53cec8cc94b37601ce0bb2b272b6753beed98",
"versionType": "git"
},
{
"status": "affected",
"version": "95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6",
"lessThan": "b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2",
"versionType": "git"
},
{
"status": "affected",
"version": "95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6",
"lessThan": "b134ef820610bd873c9d59999d9824710964ce82",
"versionType": "git"
},
{
"status": "affected",
"version": "95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6",
"lessThan": "3a87212b1a09a1fdd730ce5520f7b1fc0b488511",
"versionType": "git"
},
{
"status": "affected",
"version": "95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6",
"lessThan": "5330036bc68d23672bfcc16c60c54701ae123083",
"versionType": "git"
}
],
"programFiles": [
"drivers/iio/industrialio-buffer.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.16"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.16",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.113",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"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/industrialio-buffer.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98668
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #48899 · Revision 1
- Added to Heist Feed
- Publisher date