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 |