cve-2021-20181
Vulnerability from cvelistv5
Published
2021-05-13 15:24
Modified
2024-08-03 17:30
Severity ?
EPSS score ?
Summary
A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability.
References
▼ | URL | Tags | |
---|---|---|---|
secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1927007 | Issue Tracking, Patch, Third Party Advisory | |
secalert@redhat.com | https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html | Mailing List, Third Party Advisory | |
secalert@redhat.com | https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html | Mailing List, Third Party Advisory | |
secalert@redhat.com | https://security.netapp.com/advisory/ntap-20210720-0009/ | Third Party Advisory | |
secalert@redhat.com | https://www.zerodayinitiative.com/advisories/ZDI-21-159/ | Third Party Advisory, VDB Entry |
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This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-367", "description": "CWE-367-\u003eCWE-416", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-09-05T05:06:09", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-159/" }, { "name": "[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html" }, { "tags": [ "x_refsource_MISC" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1927007" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20210720-0009/" }, { "name": "[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html" } ] } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-20181", "datePublished": "2021-05-13T15:24:15", "dateReserved": "2020-12-17T00:00:00", "dateUpdated": "2024-08-03T17:30:07.767Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-20181\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2021-05-13T16:15:07.653\",\"lastModified\":\"2023-11-07T03:28:58.977\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.