CVE-2020-11947
Published: 31 December 2020
iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.
Priority
Status
Package | Release | Status |
---|---|---|
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
|
|
jammy |
Does not exist
|
|
impish |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
qemu Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
trusty |
Needed
|
|
bionic |
Released
(1:2.11+dfsg-1ubuntu7.35)
|
|
focal |
Released
(1:4.2-3ubuntu6.12)
|
|
xenial |
Released
(1:2.5+dfsg-5ubuntu10.49)
|
|
groovy |
Not vulnerable
(1:5.0-5ubuntu9.2)
|
|
hirsute |
Not vulnerable
(1:5.2+dfsg-2ubuntu1)
|
|
jammy |
Not vulnerable
(1:5.2+dfsg-2ubuntu1)
|
|
impish |
Not vulnerable
(1:5.2+dfsg-2ubuntu1)
|
|
kinetic |
Not vulnerable
(1:5.2+dfsg-2ubuntu1)
|
|
lunar |
Not vulnerable
(1:5.2+dfsg-2ubuntu1)
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 3.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |