KVM: s390: Fix memory leak in guest debug handling
Published Sep 16, 2026
No CVSS score
EPSS 0.22%
Description
bp_data is freed only for the error case by kfree(bp_data). Every successful KVM_SET_GUEST_DEBUG will leak bp_data.
Affected products
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- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
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- Version 3.16StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<3.16
- Version 5.10.270StatusunaffectedConstraints<=5.10.*
- Version 5.15.221StatusunaffectedConstraints<=5.15.*
- Version 6.1.188StatusunaffectedConstraints<=6.1.*
- Version 6.12.110StatusunaffectedConstraints<=6.12.*
- Version 6.18.51StatusunaffectedConstraints<=6.18.*
- Version 6.6.157StatusunaffectedConstraints<=6.6.*
- Version 7.2.5StatusunaffectedConstraints<=7.2.*
- Version 7.3-rc1StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
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| Linux | Linux | affected |
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No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (0)
No CWE recorded.
References (8)
- https://git.kernel.org/stable/c/121ea1de927c8b9bfdf53c31cad27b86d5de0293
- https://git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288
- https://git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2
- https://git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409
- https://git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e
- https://git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83
- https://git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97
- https://git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Linux
Published Sep 16, 2026
Updated Sep 16, 2026
Reserved Sep 11, 2026
Link CVE-2026-89925
CISA Vulnrichment
Updated n/a