{"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": "2024-09-11T17:33:33.290Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:14:55.692Z"}, "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": "a3508fbe9dc6", "lessThan": "5df3b81a567e", "status": "affected", "versionType": "git"}, {"version": "a3508fbe9dc6", "lessThan": "f5572c0323cf", "status": "affected", "versionType": "git"}, {"version": "a3508fbe9dc6", "lessThan": "28bb27824f25", "status": "affected", "versionType": "git"}, {"version": "a3508fbe9dc6", "lessThan": "fe752331d4b3", "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": "custom"}, {"version": "6.1.82", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.6.22", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.7.6", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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-a5840b7849dd"}}, "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"}}]}}

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{"cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: KVM: s390: vsie: corrige la ejecuci\u00f3n durante la creaci\u00f3n de la sombra. En este momento es posible ver que gmap->private es cero en kvm_s390_vsie_gmap_notifier, lo que provoca un bloqueo. Esto se debe al hecho de que agregamos gmap->private == kvm despu\u00e9s de la creaci\u00f3n: static int adquirir_gmap_shadow(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page) { [...] gmap = gmap_shadow(vcpu->arch.gmap, asce, edat); si (IS_ERR(gmap)) devuelve PTR_ERR(gmap); gmap->privado = vcpu->kvm; Deje que los ni\u00f1os hereden el campo privado del padre."}], "id": "CVE-2023-52639", "lastModified": "2024-04-03T17:24:18.150", "metrics": {}, "published": "2024-04-03T15:15:51.467", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/28bb27824f25f36e5f80229a358d66ee09244082"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5df3b81a567eb565029563f26f374ae3803a1dfc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f5572c0323cf8b4f1f0618178648a25b8fb8a380"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe752331d4b361d43cfd0b89534b4b2176057c32"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:4740", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.64.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-07-23T00:00:00Z"}, {"advisory": "RHSA-2024:5257", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "kernel-0:5.14.0-70.112.1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2024-08-13T00:00:00Z"}, {"advisory": "RHSA-2024:3855", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.69.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-06-12T00:00:00Z"}], "bugzilla": {"description": "kernel: KVM: s390: vsie: fix race during shadow creation", "id": "2273080", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273080"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nKVM: s390: vsie: fix race during shadow creation\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:\nstatic int acquire_gmap_shadow(struct kvm_vcpu *vcpu,\nstruct vsie_page *vsie_page)\n{\n[...]\ngmap = gmap_shadow(vcpu->arch.gmap, asce, edat);\nif (IS_ERR(gmap))\nreturn PTR_ERR(gmap);\ngmap->private = vcpu->kvm;\nLet children inherit the private field of the parent."], "name": "CVE-2023-52639", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52639\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52639\nhttps://lore.kernel.org/linux-cve-announce/2024040335-CVE-2023-52639-5b67@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.1.82, kernel 6.6.22, kernel 6.7.6, kernel 6.8"}