Vulnerability Details : CVE-2020-35504
A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-35504
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35504
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35504
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
1.5
|
4.0
|
NIST |
CWE ids for CVE-2020-35504
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2020-35504
-
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
[SECURITY] [DLA 3099-1] qemu security updateMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1909766
Issue Tracking;Patch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/04/16/3
oss-security - QEMU: ESP security fixesMailing List;Patch;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20210713-0006/
May 2021 QEMU Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://www.openwall.com/lists/oss-security/2021/04/16/3
Mailing List;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202208-27
QEMU: Multiple Vulnerabilities (GLSA 202208-27) — Gentoo securityThird Party Advisory
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