Veracode Vulnerability DatabaseVERACODE:32336Denial Of Service (DoS)
7.5 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
qemu:sid is vulnerable to denial of service. The vulnerability exists because the num_buffers being set after the virtqueue elem has been unmapped, allowing an attacker to crash the application through the use after free.
References
bugzilla.redhat.com/show_bug.cgi?id=1998514
github.com/qemu/qemu/commit/bedd7e93d01961fcb16a97ae45d93acf357e11f6
lists.debian.org/debian-lts-announce/2022/04/msg00002.html
lists.debian.org/debian-lts-announce/2022/09/msg00008.html
lists.nongnu.org/archive/html/qemu-devel/2021-09/msg00388.html
security-tracker.debian.org/tracker/CVE-2021-3748
security.gentoo.org/glsa/202208-27
security.netapp.com/advisory/ntap-20220425-0004/
ubuntu.com/security/CVE-2021-3748
Related
7.5 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C