CVE-2017-17863
Published: 27 December 2017
kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.
From the Ubuntu Security Team
Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation in the Linux kernel did not properly check the relationship between pointer values and the BPF stack. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.
Notes
Author | Note |
---|---|
tyhicks | This addresses an issue in the 4.9 stable tree |
Priority
Status
Package | Release | Status |
---|---|---|
linux-hwe-edge Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-gke Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-azure Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-gcp Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-kvm Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-euclid Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-oem Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
zesty |
Not vulnerable
|
artful |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
linux-aws Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Not vulnerable
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
trusty |
Not vulnerable
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
zesty |
Not vulnerable
|
|
Patches: Introduced by 7bca0a9702edfc8d0e7e46f984ca422ffdbe0498 |
||
linux-armadaxp Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-flo Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Not vulnerable
|
|
xenial |
Ignored
(abandoned)
|
|
zesty |
Does not exist
|
|
linux-grouper Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
zesty |
Does not exist
|
|
linux-linaro-omap Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-linaro-shared Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-linaro-vexpress Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-quantal Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-raring Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-saucy Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-trusty Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [end of standard support])
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Ignored
(end of life, was needs-triage)
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [end of standard support])
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Not vulnerable
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-maguro Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-mako Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Not vulnerable
|
|
xenial |
Ignored
(abandoned)
|
|
zesty |
Does not exist
|
|
linux-manta Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-qcm-msm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
zesty |
Not vulnerable
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
|
zesty |
Not vulnerable
|
|
linux-ti-omap4 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17863
- http://www.openwall.com/lists/oss-security/2017/12/24/1
- https://www.spinics.net/lists/stable/msg206985.html
- https://ubuntu.com/security/notices/USN-3523-1
- https://ubuntu.com/security/notices/USN-3523-2
- https://ubuntu.com/security/notices/USN-3523-3
- NVD
- Launchpad
- Debian