crypto: krb5 - use kfree_sensitive() for derived key buffers
In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for derived key buffers crypto_krb5_prepare_encryption() and crypto_krb5_prepare_checksum() free the buffer holding the freshly derived keys with plain kfree(), leaving the key material behind in the freed slab object.
CVE-2026-80924
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-2026-80924
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": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
"lessThan": "731a5b6fb4c1705f9405d9029dd64ea81e336207",
"versionType": "git"
},
{
"status": "affected",
"version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
"lessThan": "91b96dc9cc250cd16751f53de525cf3442ca0962",
"versionType": "git"
},
{
"status": "affected",
"version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
"lessThan": "a1bf79365794783b19f5b09e8a23f7ee311e8931",
"versionType": "git"
},
{
"status": "affected",
"version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
"lessThan": "f7d53dd3f267e46a784f219a75072f2f400d42b9",
"versionType": "git"
}
],
"programFiles": [
"crypto/krb5/krb5_api.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": "6.18.49",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.13",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2.3",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"crypto/krb5/krb5_api.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-80924
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34885 · Revision 1
- Added to Heist Feed
- Publisher date