Unrated
KVM: s390: Fix memory leak in guest debug handling
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bp_data is freed only for the error case by kfree(bp_data). Every successful KVM_SET_GUEST_DEBUG will leak bp_data.
Announced Group revision 1
Original source ↗CVE-2026-89925
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-2026-89925
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": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "39e7cebb889839b5762c9ad22e2d715b5883b288",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "58b1b729a9f90c80b508fc3e2174cbc0ee50859e",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "9071f75cbde3bf46119cb28e92cfbef830c4bf97",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "5940418e4232a2ff1d30ba12e0d213dbf48f0a83",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "fc2034c431adcbaabf5f8a01912358f07355349e",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "44bf3792c10f4bb3de507391f1837e020d92eaa2",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "581be9f6085834188cef1ad2f07babf3b421e409",
"versionType": "git"
},
{
"status": "affected",
"version": "27291e2165b6de70c476b7b675308113edd69a60",
"lessThan": "121ea1de927c8b9bfdf53c31cad27b86d5de0293",
"versionType": "git"
}
],
"programFiles": [
"arch/s390/kvm/guestdbg.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.16"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.16",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.270",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.221",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"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": "6.18.51",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.5",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"arch/s390/kvm/guestdbg.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89925
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #36371 · Revision 1
- Added to Heist Feed
- Publisher date