CVE-2018-15746
Publication date 29 August 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | ||
18.04 LTS bionic |
Fixed 1:2.11+dfsg-1ubuntu7.6
|
|
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Ignored | |
qemu-kvm | ||
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Notes
mdeslaur
we will not be fixing this issue on trusty and xenial. trust lacks a recent kernel and seccomp version and xenial uses a whitelist based approach instead of a blacklist. Fixing this in xenial is likely to cause regressions.
Patch details
Package | Patch details |
---|---|
qemu |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |