CVE-2019-18675
Published: 25 November 2019
The Linux kernel through 5.3.13 has a start_offset+size Integer Overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c because cpia2 has its own mmap implementation. This allows local users (with /dev/video0 access) to obtain read and write permissions on kernel physical pages, which can possibly result in a privilege escalation.
Notes
Author | Note |
---|---|
sbeattie | this type of vulnerability was fixed generically via be83bbf80682; see the reference in lore from gregkh above |
Priority
Status
Package | Release | Status |
---|---|---|
linux-aws Launchpad, Ubuntu, Debian |
focal |
Not vulnerable
(5.4.0-1005.5)
|
bionic |
Released
(4.15.0-1023.23)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.4.0-1066.76)
|
|
linux-aws-hwe Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Not vulnerable
(4.15.0-1030.31~16.04.1)
|
|
linux-aws-5.0 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needed)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-azure-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1007.8~18.04.1)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-36.39)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-13.14)
|
|
focal |
Not vulnerable
(5.4.0-9.12)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.4.0-134.160)
|
|
Patches: Introduced by ab33d5071de7a33616842882c11b5eb52a6c26a1 |
||
linux-azure Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needed)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
focal |
Not vulnerable
(5.4.0-1006.6)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.15.0-1025.26~16.04.1)
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
linux-gcp Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needed)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
focal |
Not vulnerable
(5.4.0-1005.5)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.15.0-1021.22~16.04.1)
|
|
linux-gcp-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1008.9~18.04.1)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-gcp-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-gke-4.15 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1030.32)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-gke-5.0 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-1011.11~18.04.1)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-gke-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1011.12~18.04.1)
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-13.14~18.04.1)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.15.0-36.39~16.04.1)
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needed)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Ignored
(end of life, was needs-triage)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1023.23)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
focal |
Not vulnerable
(5.4.0-1004.4)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.4.0-1032.38)
|
|
linux-lts-trusty Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-oem Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1021.24)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(4.15.0-1035.40)
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
linux-oem-5.6 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
focal |
Not vulnerable
(5.6.0-1007.7)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-oem-osp1 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-1010.11)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-1010.11)
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-oracle Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1007.9)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(4.15.0-1011.13)
|
|
focal |
Not vulnerable
(5.4.0-1005.5)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Not vulnerable
(4.15.0-1007.9~16.04.1)
|
|
linux-oracle-5.0 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needed)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-oracle-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1011.12~18.04.1)
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1024.26)
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(5.0.0-1006.6)
|
|
focal |
Ignored
(end of life, was needed)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.4.0-1095.103)
|
|
linux-raspi2-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1017.19~18.04.1)
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Does not exist
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1053.57)
|
disco |
Ignored
(end of life)
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.17~rc5)
|
|
xenial |
Released
(4.4.0-1099.104)
|
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:3.1/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-2019-18675
- https://deshal3v.github.io/blog/kernel-research/mmap_exploitation
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/usb/cpia2/cpia2_core.c
- https://lore.kernel.org/lkml/20191108215038.59170-1-omerdeshalev@gmail.com/
- https://lore.kernel.org/lkml/20191111114615.GA418224@kroah.com/
- NVD
- Launchpad
- Debian