{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-52639","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-06T09:52:12.093Z","datePublished":"2024-04-03T14:54:47.009Z","dateUpdated":"2025-05-04T07:40:32.734Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:40:32.734Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: vsie: fix race during shadow creation\n\nRight now it is possible to see gmap->private being zero in\nkvm_s390_vsie_gmap_notifier resulting in a crash.  This is due to the\nfact that we add gmap->private == kvm after creation:\n\nstatic int acquire_gmap_shadow(struct kvm_vcpu *vcpu,\n                               struct vsie_page *vsie_page)\n{\n[...]\n        gmap = gmap_shadow(vcpu->arch.gmap, asce, edat);\n        if (IS_ERR(gmap))\n                return PTR_ERR(gmap);\n        gmap->private = vcpu->kvm;\n\nLet children inherit the private field of the parent."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kvm/vsie.c","arch/s390/mm/gmap.c"],"versions":[{"version":"a3508fbe9dc6dd3bece0c7bf889cc085a011738c","lessThan":"5df3b81a567eb565029563f26f374ae3803a1dfc","status":"affected","versionType":"git"},{"version":"a3508fbe9dc6dd3bece0c7bf889cc085a011738c","lessThan":"f5572c0323cf8b4f1f0618178648a25b8fb8a380","status":"affected","versionType":"git"},{"version":"a3508fbe9dc6dd3bece0c7bf889cc085a011738c","lessThan":"28bb27824f25f36e5f80229a358d66ee09244082","status":"affected","versionType":"git"},{"version":"a3508fbe9dc6dd3bece0c7bf889cc085a011738c","lessThan":"fe752331d4b361d43cfd0b89534b4b2176057c32","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/vsie.c","arch/s390/mm/gmap.c"],"versions":[{"version":"4.8","status":"affected"},{"version":"0","lessThan":"4.8","status":"unaffected","versionType":"semver"},{"version":"6.1.82","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.22","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.6","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","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":"4.8","versionEndExcluding":"6.1.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.6.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.7.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5df3b81a567eb565029563f26f374ae3803a1dfc"},{"url":"https://git.kernel.org/stable/c/f5572c0323cf8b4f1f0618178648a25b8fb8a380"},{"url":"https://git.kernel.org/stable/c/28bb27824f25f36e5f80229a358d66ee09244082"},{"url":"https://git.kernel.org/stable/c/fe752331d4b361d43cfd0b89534b4b2176057c32"}],"title":"KVM: s390: vsie: fix race during shadow creation","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:03:21.359Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/5df3b81a567eb565029563f26f374ae3803a1dfc","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f5572c0323cf8b4f1f0618178648a25b8fb8a380","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/28bb27824f25f36e5f80229a358d66ee09244082","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/fe752331d4b361d43cfd0b89534b4b2176057c32","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52639","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:53:10.387746Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:33:33.290Z"}}]}}