CVE-2020-15469

Publication date 2 July 2020

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

2.3 · Low

Score breakdown

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.

Read the notes from the security team

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
23.10 mantic
Fixed 1:6.0+dfsg-1~ubuntu3
23.04 lunar
Fixed 1:6.0+dfsg-1~ubuntu3
22.10 kinetic
Fixed 1:6.0+dfsg-1~ubuntu3
22.04 LTS jammy
Fixed 1:6.0+dfsg-1~ubuntu3
21.10 impish
Fixed 1:6.0+dfsg-1~ubuntu3
21.04 hirsute
Fixed 1:5.2+dfsg-9ubuntu3.1
20.10 groovy
Fixed 1:5.0-5ubuntu9.9
20.04 LTS focal
Fixed 1:4.2-3ubuntu6.17
19.10 eoan Ignored end of life
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
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

mdeslaur

impact is limited, a privileged guest user can only use this issue to perform a denial of service to their own instance

Severity score breakdown

Parameter Value
Base score 2.3 · Low
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L