CVE-2014-0148
Published: 29 September 2022
Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
lucid |
Does not exist
|
| precise |
Does not exist
|
|
| quantal |
Does not exist
|
|
| saucy |
Ignored
(end of life)
|
|
| trusty |
Not vulnerable
(2.0.0~rc1+dfsg-0ubuntu3)
|
|
| upstream |
Released
(1.7.2, 2.0)
|
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=1d7678dec4761acdc43439da6ceda41a703ba1a6 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
lucid |
Not vulnerable
(code not present)
|
| precise |
Not vulnerable
(code not present)
|
|
| quantal |
Not vulnerable
(code not present)
|
|
| saucy |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html |
||
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |