CVE-2018-20855
Published: 26 July 2019
An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
linux Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.13.0-16.19)
|
| disco |
Not vulnerable
(4.18.0-10.11)
|
|
| trusty |
Not vulnerable
(3.11.0-12.19)
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.2.0-16.19)
|
|
|
Patches: Introduced by 41d902cb7c326d711674977763c4b30df87611bc |
||
|
linux-aws Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
| disco |
Not vulnerable
(4.18.0-1002.3)
|
|
| trusty |
Not vulnerable
(4.4.0-1002.2)
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.4.0-1001.10)
|
|
|
linux-aws-hwe Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.15.0-1030.31~16.04.1)
|
|
|
linux-azure Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
| disco |
Not vulnerable
(4.18.0-1003.3)
|
|
| trusty |
Not vulnerable
(4.15.0-1023.24~14.04.1)
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.11.0-1009.9)
|
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.11.0-1009.9)
|
|
|
linux-euclid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Ignored
(was needs-triage now end-of-life)
|
|
|
linux-flo Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Ignored
(abandoned)
|
|
|
linux-gcp Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
| disco |
Not vulnerable
(4.18.0-1002.3)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.10.0-1004.4)
|
|
|
linux-gcp-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-1004.5~18.04.1)
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-gke Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Ignored
(end-of-life)
|
|
|
linux-gke-4.15 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1030.32)
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Ignored
(end-of-life)
|
|
|
linux-grouper Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-hwe Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-13.14~18.04.1)
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.8.0-36.36~16.04.1)
|
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-15.16~18.04.1)
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.8.0-36.36~16.04.1)
|
|
|
linux-kvm Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
| disco |
Not vulnerable
(4.18.0-1003.3)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.4.0-1004.9)
|
|
|
linux-lts-trusty Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Not vulnerable
(4.4.0-13.29~14.04.1)
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-maguro Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-mako Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Ignored
(abandoned)
|
|
|
linux-manta Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Does not exist
|
|
|
linux-oem Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.3)
|
| disco |
Not vulnerable
(4.15.0-1021.24)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Ignored
(was needs-triage now end-of-life)
|
|
|
linux-oracle Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1007.9)
|
| disco |
Not vulnerable
(4.15.0-1007.9)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.15.0-1007.9~16.04.1)
|
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.13.0-1005.5)
|
| disco |
Not vulnerable
(4.18.0-1005.7)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.2.0-1013.19)
|
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.4.0-1077.82)
|
| disco |
Not vulnerable
(5.0.0-1010.10)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.19~rc1)
|
|
| xenial |
Not vulnerable
(4.4.0-1012.12)
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 3.3 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20855
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00
- https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00
- NVD
- Launchpad
- Debian