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CVE-2020-29443

Published: 26 January 2021

ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated.

Notes

AuthorNote
mdeslaur 
second patch is needed in hirsute

Priority

Low

Cvss 3 Severity Score

3.9

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian 		hirsute
Released (1:5.2+dfsg-9ubuntu3.1)
upstream Needs triage

trusty Needed

bionic
Released (1:2.11+dfsg-1ubuntu7.35)
focal
Released (1:4.2-3ubuntu6.12)
groovy
Released (1:5.0-5ubuntu9.4)
xenial
Released (1:2.5+dfsg-5ubuntu10.49)
impish
Released (1:6.0+dfsg-1~ubuntu3)
jammy
Released (1:6.0+dfsg-1~ubuntu3)
kinetic
Released (1:6.0+dfsg-1~ubuntu3)
lunar
Released (1:6.0+dfsg-1~ubuntu3)
Patches:
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=813212288970c39b1800f63e83ac6e96588095c6
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=b8d7f1bc59276fec85e4d09f1567613a3e14d31e
qemu-kvm
Launchpad, Ubuntu, Debian 		upstream Needs triage

trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

Severity score breakdown

Parameter Value
Base score 3.9
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Scope Changed
Confidentiality Low
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L

References

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