CVE-2020-35504
Publication date 28 May 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | 24.10 oracular |
Fixed 1:6.0+dfsg-1~ubuntu3
|
24.04 LTS noble |
Fixed 1:6.0+dfsg-1~ubuntu3
|
|
22.04 LTS jammy |
Fixed 1:6.0+dfsg-1~ubuntu3
|
|
20.04 LTS focal |
Fixed 1:4.2-3ubuntu6.17
|
|
18.04 LTS bionic |
Fixed 1:2.11+dfsg-1ubuntu7.37
|
|
16.04 LTS xenial |
Vulnerable
|
|
14.04 LTS trusty | Ignored end of ESM support, was needed | |
qemu-kvm | 24.10 oracular | Not in release |
24.04 LTS noble | Not in release | |
22.04 LTS jammy | Not in release | |
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
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-5010-1
- QEMU vulnerabilities
- 15 July 2021