{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89925","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.775Z","datePublished":"2026-09-16T10:32:18.111Z","dateUpdated":"2026-09-16T10:32:18.111Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:32:18.111Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix memory leak in guest debug handling\n\nbp_data is freed only for the error case by kfree(bp_data).\nEvery successful KVM_SET_GUEST_DEBUG will leak bp_data."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kvm/guestdbg.c"],"versions":[{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"39e7cebb889839b5762c9ad22e2d715b5883b288","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"58b1b729a9f90c80b508fc3e2174cbc0ee50859e","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"9071f75cbde3bf46119cb28e92cfbef830c4bf97","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"5940418e4232a2ff1d30ba12e0d213dbf48f0a83","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"fc2034c431adcbaabf5f8a01912358f07355349e","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"44bf3792c10f4bb3de507391f1837e020d92eaa2","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"581be9f6085834188cef1ad2f07babf3b421e409","status":"affected","versionType":"git"},{"version":"27291e2165b6de70c476b7b675308113edd69a60","lessThan":"121ea1de927c8b9bfdf53c31cad27b86d5de0293","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kvm/guestdbg.c"],"versions":[{"version":"3.16","status":"affected"},{"version":"0","lessThan":"3.16","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288"},{"url":"https://git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e"},{"url":"https://git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97"},{"url":"https://git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83"},{"url":"https://git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e"},{"url":"https://git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2"},{"url":"https://git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409"},{"url":"https://git.kernel.org/stable/c/121ea1de927c8b9bfdf53c31cad27b86d5de0293"}],"title":"KVM: s390: Fix memory leak in guest debug handling","x_generator":{"engine":"bippy-1.2.0"}}}}