{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49611",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.418Z",
        "datePublished": "2025-02-26T02:23:33.779Z",
        "dateUpdated": "2026-05-23T15:22:33.348Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:22:33.348Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/speculation: Fill RSB on vmexit for IBRS\n\nPrevent RSB underflow/poisoning attacks with RSB.  While at it, add a\nbunch of comments to attempt to document the current state of tribal\nknowledge about RSB attacks and what exactly is being mitigated."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/include/asm/cpufeatures.h",
                        "arch/x86/kernel/cpu/bugs.c",
                        "arch/x86/kvm/vmx/vmenter.S"
                    ],
                    "versions": [
                        {
                            "version": "b9cdaaf0a3becc52e8b4662fef28c452c4f009b4",
                            "lessThan": "3d323b99ff5c8c57005184056d65f6af5b0479d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
                            "lessThan": "f744b88dfc201bf8092833ec70b23c720188b527",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
                            "lessThan": "17a9fc4a7b91f8599223631bb6ae6416bc0de1c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
                            "lessThan": "4d7f72b6e1bc630bec7e4cd51814bc2b092bf153",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
                            "lessThan": "8d5cff499a6d740c91ff37963907e0e983c37f0f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
                            "lessThan": "8c38306e2e9257af4af2819aa287a4711ff36329",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
                            "lessThan": "9756bba28470722dacb79ffce554336dd1f6a6cd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "68d1f7a3f1a35639a563bbad768d5df885b4ff05",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "20e080e2752d108388d386ecc0b33d7797dfb18f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1ddd99a029636e234a800f28790a60d6ac0318f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.14.14",
                            "lessThan": "4.14.297",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.2.101",
                            "lessThan": "3.3",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.16.56",
                            "lessThan": "3.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.4.113",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.77",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/include/asm/cpufeatures.h",
                        "arch/x86/kernel/cpu/bugs.c",
                        "arch/x86/kvm/vmx/vmenter.S"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.297",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.266",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.217",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.133",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.57",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.14",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "4.14.14",
                                    "versionEndExcluding": "4.14.297"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "4.19.266"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.4.217"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.10.133"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.15.57"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.18.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9.77"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527"
                },
                {
                    "url": "https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd"
                }
            ],
            "title": "x86/speculation: Fill RSB on vmexit for IBRS",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}