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CVE-2021-20181
HIGH7.5
Description
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.
CVE Details
CVSS v3.1 Score7.5
SeverityHIGH
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack VectorLOCAL
ComplexityHIGH
Privileges RequiredHIGH
User InteractionNONE
Published5/13/2021
Last Modified11/21/2024
Sourcenvd
Honeypot Sightings0
Affected Products
debian:debian_linuxqemu:qemu
Weaknesses (CWE)
CWE-367CWE-362
References
https://bugzilla.redhat.com/show_bug.cgi?id=1927007(secalert@redhat.com)
https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html(secalert@redhat.com)
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html(secalert@redhat.com)
https://security.netapp.com/advisory/ntap-20210720-0009/(secalert@redhat.com)
https://www.zerodayinitiative.com/advisories/ZDI-21-159/(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=1927007(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html(af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210720-0009/(af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-159/(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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