KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key() Some callers pass NULL as oldkey. Calling page_cond_set_storage_key() will cause that NULL pointer to get dereferenced. Fix by checking for NULL and assigning the pointer to a dummy local variable to avoid crashes.
CVE-2026-98651
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-2026-98651
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": "8e03e8316eb242af307d1c789d09f1a1457cf9a3",
"lessThan": "75867536746ab2d034488a6a93ee6cde83553342",
"versionType": "git"
},
{
"status": "affected",
"version": "8e03e8316eb242af307d1c789d09f1a1457cf9a3",
"lessThan": "88e22ffd1e46b95e40a6afabe486deb1d31a3ae1",
"versionType": "git"
}
],
"programFiles": [
"arch/s390/kvm/dat.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7.0"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "7.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "7.2.9",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"arch/s390/kvm/dat.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98651
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38671 · Revision 1
- Added to Heist Feed
- Publisher date