CVE-2018-19364
Published: 20 November 2018
hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
bionic |
Released
(1:2.11+dfsg-1ubuntu7.8)
|
cosmic |
Released
(1:2.12+dfsg-3ubuntu8.1)
|
|
disco |
Released
(1:2.12+dfsg-3ubuntu9)
|
|
eoan |
Released
(1:2.12+dfsg-3ubuntu9)
|
|
focal |
Released
(1:2.12+dfsg-3ubuntu9)
|
|
groovy |
Released
(1:2.12+dfsg-3ubuntu9)
|
|
hirsute |
Released
(1:2.12+dfsg-3ubuntu9)
|
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.44)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(1:2.5+dfsg-5ubuntu10.33)
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=5b76ef50f62079a2389ba28cacaf6cce68b1a0ed upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=5b3c77aa581ebb215125c84b0742119483571e55 |
||
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
|
|
groovy |
Does not exist
|
|
hirsute |
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References
- https://www.openwall.com/lists/oss-security/2018/11/20/1
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.html
- https://ubuntu.com/security/notices/USN-3826-1
- https://www.cve.org/CVERecord?id=CVE-2018-19364
- NVD
- Launchpad
- Debian