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        "cveId": "CVE-2024-35791",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-17T12:19:12.339Z",
        "datePublished": "2024-05-17T12:24:49.520Z",
        "dateUpdated": "2024-09-11T17:33:23.051Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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                "dateUpdated": "2024-05-29T05:29:02.128Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()\n\nDo the cache flush of converted pages in svm_register_enc_region() before\ndropping kvm->lock to fix use-after-free issues where region and/or its\narray of pages could be freed by a different task, e.g. if userspace has\n__unregister_enc_region_locked() already queued up for the region.\n\nNote, the \"obvious\" alternative of using local variables doesn't fully\nresolve the bug, as region->pages is also dynamically allocated.  I.e. the\nregion structure itself would be fine, but region->pages could be freed.\n\nFlushing multiple pages under kvm->lock is unfortunate, but the entire\nflow is a rare slow path, and the manual flush is only needed on CPUs that\nlack coherency for encrypted memory."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/kvm/svm/sev.c"
                    ],
                    "versions": [
                        {
                            "version": "4f627ecde732",
                            "lessThan": "2d13b79640b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "19a23da53932",
                            "lessThan": "e126b508ed2e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "19a23da53932",
                            "lessThan": "4868c0ecdb6c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "19a23da53932",
                            "lessThan": "12f8e32a5a38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "19a23da53932",
                            "lessThan": "f6d53d8a2617",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "19a23da53932",
                            "lessThan": "5ef1d8c1ddbf",
                            "status": "affected",
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/kvm/svm/sev.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.215",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.154",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.84",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.24",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.7.12",
                            "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/2d13b79640b147bd77c34a5998533b2021a4122d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e126b508ed2e616d679d85fca2fbe77bb48bbdd7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4868c0ecdb6cfde7c70cf478c46e06bb9c7e5865"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12f8e32a5a389a5d58afc67728c76e61beee1ad4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f6d53d8a2617dd58c89171a6b9610c470ebda38a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5ef1d8c1ddbf696e47b226e11888eaf8d9e8e807"
                },
                {
                    "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
                }
            ],
            "title": "KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()",
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            }
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                    "dateUpdated": "2024-08-02T03:21:47.497Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/2d13b79640b147bd77c34a5998533b2021a4122d",
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                                "id": "CVE-2024-35791",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:42:51.101780Z"
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