CVE-2022-42331 - Vulnerability Details - OpenCVE

Description

x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks.

Published: 2023-03-21

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Xen

xen

affected

Version	Status	Constraints
`consult Xen advisory XSA-429`	unknown	—

Configuration 1 [-]

cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:37:::::::*
	cpe:2.3:o:fedoraproject:fedora:38:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DSA	DSA-5378-1	xen security update

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00046.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2023/03/21/3
http://xenbits.xen.org/xsa/advisory-429.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/
https://security.gentoo.org/glsa/202402-07
https://www.debian.org/security/2023/dsa-5378
https://xenbits.xenproject.org/xsa/advisory-429.txt

History

No history.

Subscriptions

Fedoraproject Fedora

Xen Xen

MITRE

Status: PUBLISHED

Assigner: XEN

Published: 2023-03-21T00:00:00.000Z

Updated: 2025-02-13T16:33:19.580Z

Reserved: 2022-10-03T00:00:00.000Z

Link: CVE-2022-42331

Vulnrichment

No data.

NVD

Status : Modified

Published: 2023-03-21T13:15:11.833

Modified: 2024-11-21T07:24:46.073

Link: CVE-2022-42331

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-42331", "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "dateUpdated": "2025-02-13T16:33:19.580Z", "dateReserved": "2022-10-03T00:00:00.000Z", "datePublished": "2023-03-21T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN", "dateUpdated": "2024-02-04T08:07:11.469Z"}, "descriptions": [{"lang": "en", "value": "x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks."}], "affected": [{"vendor": "Xen", "product": "xen", "versions": [{"version": "consult Xen advisory XSA-429", "status": "unknown"}]}], "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-429.txt"}, {"name": "[oss-security] 20230321 Xen Security Advisory 429 v3 (CVE-2022-42331) - x86: speculative vulnerability in 32bit SYSCALL path", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2023/03/21/3"}, {"url": "http://xenbits.xen.org/xsa/advisory-429.html"}, {"name": "FEDORA-2023-703f133eb3", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/"}, {"name": "FEDORA-2023-da8315e641", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/"}, {"name": "DSA-5378", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2023/dsa-5378"}, {"url": "https://security.gentoo.org/glsa/202402-07"}], "credits": [{"lang": "en", "value": "{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Andrew Cooper of XenServer.'}]}}}"}], "metrics": [{"other": {"type": "unknown", "content": {"description": {"description_data": [{"lang": "eng", "value": "An attacker might be able to infer the contents of arbitrary host\nmemory, including memory assigned to other guests."}]}}}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "unknown"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T13:03:45.977Z"}, "title": "CVE Program Container", "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-429.txt", "tags": ["x_transferred"]}, {"name": "[oss-security] 20230321 Xen Security Advisory 429 v3 (CVE-2022-42331) - x86: speculative vulnerability in 32bit SYSCALL path", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2023/03/21/3"}, {"url": "http://xenbits.xen.org/xsa/advisory-429.html", "tags": ["x_transferred"]}, {"name": "FEDORA-2023-703f133eb3", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/"}, {"name": "FEDORA-2023-da8315e641", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/"}, {"name": "DSA-5378", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.debian.org/security/2023/dsa-5378"}, {"url": "https://security.gentoo.org/glsa/202402-07", "tags": ["x_transferred"]}]}]}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*", "matchCriteriaId": "50F5E722-F947-476A-9CC8-06E2D19CDBD2", "versionEndIncluding": "4.17.0", "versionStartIncluding": "4.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks."}], "id": "CVE-2022-42331", "lastModified": "2024-11-21T07:24:46.073", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-03-21T13:15:11.833", "references": [{"source": "security@xen.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/03/21/3"}, {"source": "security@xen.org", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-429.html"}, {"source": "security@xen.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/"}, {"source": "security@xen.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/"}, {"source": "security@xen.org", "url": "https://security.gentoo.org/glsa/202402-07"}, {"source": "security@xen.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5378"}, {"source": "security@xen.org", "tags": ["Vendor Advisory"], "url": "https://xenbits.xenproject.org/xsa/advisory-429.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/03/21/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-429.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202402-07"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5378"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://xenbits.xenproject.org/xsa/advisory-429.txt"}], "sourceIdentifier": "security@xen.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}