KVM: s390: Fix memory leak in guest debug handling
Summary
| CVE | CVE-2026-89925 |
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| State | PUBLISHED |
|---|
| Assigner | Linux |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2026-09-16 11:17:01 UTC |
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| Updated | 2026-09-16 11:17:01 UTC |
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| Description | 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. |
|---|
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 39e7cebb889839b5762c9ad22e2d715b5883b288 git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 58b1b729a9f90c80b508fc3e2174cbc0ee50859e git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 9071f75cbde3bf46119cb28e92cfbef830c4bf97 git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 5940418e4232a2ff1d30ba12e0d213dbf48f0a83 git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 fc2034c431adcbaabf5f8a01912358f07355349e git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 44bf3792c10f4bb3de507391f1837e020d92eaa2 git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 581be9f6085834188cef1ad2f07babf3b421e409 git |
Not specified |
| CNA |
Linux |
Linux |
affected 27291e2165b6de70c476b7b675308113edd69a60 121ea1de927c8b9bfdf53c31cad27b86d5de0293 git |
Not specified |
| CNA |
Linux |
Linux |
affected 3.16 |
Not specified |
| CNA |
Linux |
Linux |
unaffected 3.16 semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.10.270 5.10.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.15.221 5.15.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.1.188 6.1.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.6.157 6.6.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.12.110 6.12.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.18.51 6.18.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.2.5 7.2.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.3-rc1 * original_commit_for_fix |
Not specified |
References
| Reference | Source | Link | Tags |
|---|
| git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/121ea1de927c8b9bfdf53c31cad27b86d5de0293 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.