CVE-2020-13800
Publication date 4 June 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
ati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mm_index value during an ati_mm_read or ati_mm_write call.
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | 20.04 LTS focal |
Fixed 1:4.2-3ubuntu6.4
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
qemu-kvm | 20.04 LTS focal | Not in release |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Patch details
Package | Patch details |
---|---|
qemu |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.0 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4467-1
- QEMU vulnerabilities
- 19 August 2020
Other references
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00944.html
- https://www.openwall.com/lists/oss-security/2020/06/04/2
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00833.html
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00825.html
- https://www.cve.org/CVERecord?id=CVE-2020-13800