CVE-2019-18680
Published: 4 November 2019
An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.
Notes
Author | Note |
---|---|
PHLin | this patch was targeted for 4.4 only, from the author's comment: Upstream does not use tc->t_sock in the second loop after below two patches. afb4164d91c7 ("RDS: TCP: Refactor connection destruction to handle multiple paths") and 2d746c93b6e5 ("rds: tcp: remove redundant function rds_tcp_conn_paths_destroy()") |
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)
|
|
eoan |
Not vulnerable
(5.0.0-13.14)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Not vulnerable
(debian: Vulnerable code not present)
|
|
xenial |
Released
(4.4.0-168.197)
|
|
Patches: Introduced by Fixed by local-2019-18680-fix |
||
linux-aws Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
disco |
Not vulnerable
(4.18.0-1002.3)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Released
(4.4.0-1098.109)
|
|
linux-aws-5.0 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-1021.24~18.04.1)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-aws-hwe Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Not vulnerable
(4.11.0-1009.9)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
linux-gcp Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
disco |
Not vulnerable
(4.18.0-1002.3)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Not vulnerable
(4.10.0-1004.4)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Not vulnerable
(4.8.0-36.36~16.04.1)
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Ignored
(end of life, was needs-triage)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
disco |
Not vulnerable
(4.18.0-1003.3)
|
|
eoan |
Not vulnerable
(5.0.0-1004.4)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Released
(4.4.0-1062.69)
|
|
linux-lts-trusty Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(2.6.12~rc2)
|
|
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)
|
|
eoan |
Not vulnerable
(4.15.0-1035.40)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
linux-oem-5.4 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-oem-osp1 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-1010.11)
|
disco |
Not vulnerable
(5.0.0-1010.11)
|
|
eoan |
Not vulnerable
(5.0.0-1010.11)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-oracle Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1007.9)
|
disco |
Not vulnerable
(4.15.0-1007.9)
|
|
eoan |
Not vulnerable
(4.15.0-1011.13)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Not vulnerable
(4.15.0-1007.9~16.04.1)
|
|
linux-oracle-5.0 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.0.0-1007.12~18.04.1)
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.13.0-1005.5)
|
disco |
Not vulnerable
(4.18.0-1005.7)
|
|
eoan |
Not vulnerable
(5.0.0-1006.6)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Released
(4.4.0-1125.134)
|
|
linux-raspi2-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1017.19~18.04.1)
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Does not exist
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.4.0-1077.82)
|
disco |
Not vulnerable
(5.0.0-1010.10)
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.12~rc2)
|
|
xenial |
Released
(4.4.0-1129.137)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://lkml.org/lkml/2019/9/18/337
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
- https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
- https://www.cve.org/CVERecord?id=CVE-2019-18680
- NVD
- Launchpad
- Debian