CVE-2018-7492
Published: 26 February 2018
A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.
From the Ubuntu Security Team
It was discovered that a NULL pointer dereference existed in the RDS (Reliable Datagram Sockets) protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash).
Priority
Status
Package | Release | Status |
---|---|---|
linux Launchpad, Ubuntu, Debian |
artful |
Released
(4.13.0-45.50)
|
bionic |
Not vulnerable
(4.15.0-10.11)
|
|
precise |
Ignored
(was needed ESM criteria)
|
|
trusty |
Released
(3.13.0-151.201)
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.4.0-119.143)
|
|
Patches: Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
linux-armadaxp Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-aws Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Not vulnerable
(4.15.0-1001.1)
|
|
precise |
Does not exist
|
|
trusty |
Released
(4.4.0-1016.16)
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.4.0-1054.63)
|
|
linux-azure Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Not vulnerable
(4.15.0-1002.2)
|
|
precise |
Does not exist
|
|
trusty |
Not vulnerable
(4.15.0-1023.24~14.04.1)
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.15.0-1013.13~16.04.2)
|
|
linux-euclid Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Ignored
(was needed ESM criteria)
|
|
linux-flo Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-gcp Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Not vulnerable
(4.15.0-1001.1)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.13.0-1019.23)
|
|
linux-gke Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Ignored
(was needed now end-of-life)
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Ignored
(was needed now end-of-life)
|
|
linux-grouper Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Not vulnerable
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.13.0-45.50~16.04.1)
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Released
(4.18.0-8.9~18.04.1)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.13.0-45.50~16.04.1)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Not vulnerable
(4.15.0-1002.2)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.4.0-1020.25)
|
|
linux-linaro-omap Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-linaro-shared Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-linaro-vexpress Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-lts-quantal Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Ignored
(end-of-life)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-raring Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Ignored
(end-of-life)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-lts-saucy Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Ignored
(end-of-life)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-trusty Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Released
(3.13.0-151.201~precise1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [out of standard support])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [was needs-triage now end-of-life])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [out of standard support])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Released
(4.4.0-119.143~14.04.1)
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-maguro Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-mako Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-manta Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-oem Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Not vulnerable
(4.15.0-1002.3)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.13.0-1030.33)
|
|
linux-qcm-msm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Does not exist
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
artful |
Released
(4.13.0-1022.23)
|
bionic |
Not vulnerable
(4.15.0-1006.7)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.4.0-1086.94)
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
artful |
Released
(4.4.0-1088.93)
|
bionic |
Not vulnerable
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
xenial |
Released
(4.4.0-1088.93)
|
|
linux-ti-omap4 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.15~rc3)
|
|
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7492
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- https://bugzilla.redhat.com/show_bug.cgi?id=1527393
- https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- https://patchwork.kernel.org/patch/10096441/
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7
- https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/
- https://ubuntu.com/security/notices/USN-3619-1
- https://ubuntu.com/security/notices/USN-3619-2
- https://ubuntu.com/security/notices/USN-3677-1
- https://ubuntu.com/security/notices/USN-3677-2
- https://ubuntu.com/security/notices/USN-3674-1
- https://ubuntu.com/security/notices/USN-3674-2
- NVD
- Launchpad
- Debian