CVE-2019-3901
Published: 22 April 2019
A race condition in perf_event_open() allows local attackers to leak sensitive data from setuid programs. As no relevant locks (in particular the cred_guard_mutex) are held during the ptrace_may_access() call, it is possible for the specified target task to perform an execve() syscall with setuid execution before perf_event_alloc() actually attaches to it, allowing an attacker to bypass the ptrace_may_access() check and the perf_event_exit_task(current) call that is performed in install_exec_creds() during privileged execve() calls. This issue affects kernel versions before 4.8.
Priority
Status
Package | Release | Status |
---|---|---|
linux Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.13.0-16.19)
|
cosmic |
Not vulnerable
(4.15.0-20.21)
|
|
disco |
Not vulnerable
(4.18.0-10.11)
|
|
trusty |
Ignored
(was needed ESM criteria)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Released
(4.4.0-28.47)
|
|
Patches: Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
linux-aws Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
cosmic |
Not vulnerable
(4.15.0-1007.7)
|
|
disco |
Not vulnerable
(4.18.0-1002.3)
|
|
trusty |
Not vulnerable
(4.4.0-1002.2)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.4.0-1001.10)
|
|
linux-aws-hwe Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.15.0-1030.31~16.04.1)
|
|
linux-azure Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
cosmic |
Not vulnerable
(4.15.0-1009.9)
|
|
disco |
Not vulnerable
(4.18.0-1003.3)
|
|
trusty |
Not vulnerable
(4.15.0-1023.24~14.04.1)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.11.0-1009.9)
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.11.0-1009.9)
|
|
linux-euclid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.4.0-9019.20)
|
|
linux-flo Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-gcp Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
cosmic |
Not vulnerable
(4.15.0-1006.6)
|
|
disco |
Not vulnerable
(4.18.0-1002.3)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
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)
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gke Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Ignored
(end of standard support)
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Ignored
(end of life)
|
|
linux-grouper Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-13.14~18.04.1)
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.8.0-36.36~16.04.1)
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-13.14~18.04.2)
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.8.0-36.36~16.04.1)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
cosmic |
Not vulnerable
(4.15.0-1008.8)
|
|
disco |
Not vulnerable
(4.18.0-1003.3)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.4.0-1004.9)
|
|
linux-lts-trusty Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Ignored
(end of life, was ignored)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Ignored
(end of life, was ignored)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Ignored
(end of life, was ignored)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Released
(4.4.0-28.47~14.04.1)
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-maguro Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-mako Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-manta Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-oem Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.3)
|
cosmic |
Not vulnerable
(4.15.0-1004.5)
|
|
disco |
Not vulnerable
(4.15.0-1021.24)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
linux-oracle Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1007.9)
|
cosmic |
Not vulnerable
(4.15.0-1007.9)
|
|
disco |
Not vulnerable
(4.15.0-1007.9)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Not vulnerable
(4.15.0-1007.9~16.04.1)
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.13.0-1005.5)
|
cosmic |
Not vulnerable
(4.15.0-1010.11)
|
|
disco |
Not vulnerable
(4.18.0-1005.7)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Released
(4.4.0-1016.22)
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.4.0-1077.82)
|
cosmic |
Does not exist
|
|
disco |
Not vulnerable
(5.0.0-1010.10)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.6~rc6)
|
|
xenial |
Released
(4.4.0-1019.22)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 4.7 |
Attack vector | Local |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |