Vulnerability Details : CVE-2021-3608
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The highest threat from this vulnerability is to system availability.
Products affected by CVE-2021-3608
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3608
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-2021-3608
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
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-2021-3608
-
The product accesses or uses a pointer that has not been initialized.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2021-3608
-
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
[SECURITY] [DLA 3099-1] qemu security updateMailing List;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07926.html
[PATCH] pvrdma: Fix the ring init error flow (CVE-2021-3608)Mailing List;Patch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1973383
1973383 – (CVE-2021-3608) CVE-2021-3608 QEMU: pvrdma: uninitialized memory unmap in pvrdma_ring_init()Issue Tracking;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20220318-0002/
February 2022 QEMU Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://security.gentoo.org/glsa/202208-27
QEMU: Multiple Vulnerabilities (GLSA 202208-27) — Gentoo securityThird Party Advisory
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