wifi: rtw89: fix HE extended capability length check
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].
CVE-2026-93281
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-2026-93281
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": "8d540f9d29162e273797bef36686a010724f0f8a",
"lessThan": "eddf53f1edb0cf7f302bd15cdb47cca90948c205",
"versionType": "git"
},
{
"status": "affected",
"version": "8d540f9d29162e273797bef36686a010724f0f8a",
"lessThan": "655c4401c18d735dbaf2cc172ff4f626b3a896a0",
"versionType": "git"
},
{
"status": "affected",
"version": "8d540f9d29162e273797bef36686a010724f0f8a",
"lessThan": "bddbd1de765bf6ddc0473ad683910eb3a2a92a43",
"versionType": "git"
},
{
"status": "affected",
"version": "8d540f9d29162e273797bef36686a010724f0f8a",
"lessThan": "f2a01deff7d0d5cc3dcbf2358dac113979303c8e",
"versionType": "git"
},
{
"status": "affected",
"version": "8d540f9d29162e273797bef36686a010724f0f8a",
"lessThan": "f132fc01b359a0f7d81fe13d769ea4e7c4baa66e",
"versionType": "git"
},
{
"status": "affected",
"version": "8d540f9d29162e273797bef36686a010724f0f8a",
"lessThan": "2aba608a86e9b099c9af2ea70b620552dee2b628",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/wireless/realtek/rtw89/mac.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.1"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.188",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.52",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.6",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/wireless/realtek/rtw89/mac.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93281
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #37972 · Revision 1
- Added to Heist Feed
- Publisher date