CVE-2018-18438
Published: 19 October 2018
Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.
Notes
Author | Note |
---|---|
mdeslaur | as of 2020-05-13, proposed fix not commited |
sbeattie | Red Hat asserts that they have audited the code in question and that no code paths can lead to an integer overflow. |
mdeslaur | marking as not-affected, as there is no indication this leads to a security issue. |
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
|
|
focal |
Not vulnerable
|
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.html other: https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.html |
||
qemu-kvm Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |