{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-02-26T02:23:33.779Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:23:33.779Z"}, "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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "3d323b99ff5c8c57005184056d65f6af5b0479d8", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f744b88dfc201bf8092833ec70b23c720188b527", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "17a9fc4a7b91f8599223631bb6ae6416bc0de1c0", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4d7f72b6e1bc630bec7e4cd51814bc2b092bf153", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8d5cff499a6d740c91ff37963907e0e983c37f0f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8c38306e2e9257af4af2819aa287a4711ff36329", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9756bba28470722dacb79ffce554336dd1f6a6cd", "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/x86/include/asm/cpufeatures.h", "arch/x86/kernel/cpu/bugs.c", "arch/x86/kvm/vmx/vmenter.S"], "versions": [{"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"}]}], "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-5f407fcff5a0"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2022-49611", "lastModified": "2025-02-26T07:01:36.553", "metrics": {}, "published": "2025-02-26T07:01:36.553", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: x86/speculation: Fill RSB on vmexit for IBRS", "id": "2348077", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348077"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-1037", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nx86/speculation: Fill RSB on vmexit for IBRS\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."], "name": "CVE-2022-49611", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49611\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49611"], "threat_severity": "Important"}