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CVE-2014-0148

Publication date 29 September 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
qemu 14.04 LTS trusty
Not affected
13.10 saucy Ignored
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
qemu-kvm 14.04 LTS trusty Not in release
13.10 saucy Not in release
12.10 quantal
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid
Not affected

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
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