CVE-2016-2858
Published: 7 April 2016
QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.
Notes
| Author | Note |
|---|---|
| mdeslaur | introduced in 1.3.0-rc0 by http://git.qemu.org/?p=qemu.git;a=commit;h=a9b7b2ad7b075dba5495271706670e5c6b1304bc |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Released
(2.0.0+dfsg-2ubuntu1.24)
|
|
| upstream |
Needs triage
|
|
| wily |
Released
(1:2.3+dfsg-5ubuntu9.4)
|
|
| xenial |
Released
(1:2.5+dfsg-5ubuntu10.1)
|
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=3c52ddcdc548e7fbe65112d8a7bdc9cd105b4750 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=74074e8a7c60592cf1cc6469dbc2550d24aeded3 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=9f14b0add1dcdbfa2ee61051d068211fb0a1fcc9 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=443590c2044968a97f5e7cddd35100c6075856a4 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not present)
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| wily |
Does not exist
|
|
| xenial |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |