CVE-2020-14416
Published: 18 June 2020
In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
linux
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-91.92)
|
| eoan |
Released
(5.3.0-42.34)
|
|
| focal |
Not vulnerable
(5.4.0-18.22)
|
|
| trusty |
Ignored
(was needs-triage ESM criteria)
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.4.0-176.206)
|
|
|
Patches:
Introduced by
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
|
||
|
linux-aws
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1063.67)
|
| eoan |
Released
(5.3.0-1013.14)
|
|
| focal |
Not vulnerable
(5.4.0-1005.5)
|
|
| trusty |
Ignored
(was needs-triage ESM criteria)
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.4.0-1104.115)
|
|
|
linux-aws-5.0
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-aws-5.3
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.3.0-1016.17~18.04.1)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-aws-hwe
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.15.0-1063.67~16.04.1)
|
|
|
linux-azure
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Released
(5.3.0-1016.17)
|
|
| focal |
Not vulnerable
(5.4.0-1006.6)
|
|
| trusty |
Ignored
(was needs-triage ESM criteria)
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.15.0-1075.80)
|
|
|
linux-azure-4.15
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1082.92)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-azure-5.3
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-1016.17~18.04.1)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-azure-edge
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-gcp
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Released
(5.3.0-1014.15)
|
|
| focal |
Not vulnerable
(5.4.0-1005.5)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.15.0-1058.62)
|
|
|
linux-gcp-4.15
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1071.81)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-gcp-5.3
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-1014.15~18.04.1)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-gcp-edge
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-gke-4.15
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1055.58)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-gke-5.0
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.0.0-1032.33)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-gke-5.3
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-1014.15~18.04.1)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-hwe
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-42.34~18.04.1)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.15.0-91.92~16.04.1)
|
|
|
linux-hwe-edge
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Ignored
(end of life, was needs-triage)
|
|
|
linux-kvm
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1056.57)
|
| eoan |
Released
(5.3.0-1012.13)
|
|
| focal |
Not vulnerable
(5.4.0-1004.4)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.4.0-1068.75)
|
|
|
linux-lts-trusty
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-lts-xenial
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Ignored
(was needs-triage ESM criteria)
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-oem
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1076.86)
|
| eoan |
Ignored
(end of life, was pending)
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| 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
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-oem-osp1
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.0.0-1043.48)
|
| eoan |
Ignored
(end of life, was pending)
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-oracle
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1035.39)
|
| eoan |
Released
(5.3.0-1011.12)
|
|
| focal |
Not vulnerable
(5.4.0-1005.5)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.15.0-1035.38~16.04.1)
|
|
|
linux-oracle-5.0
Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| 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
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-raspi
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Not vulnerable
(5.4.0-1007.7)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-raspi2
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1057.61)
|
| eoan |
Released
(5.3.0-1019.21)
|
|
| focal |
Ignored
(end of life, was needs-triage)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.4.0-1130.139)
|
|
|
linux-raspi2-5.3
Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-1019.21~18.04.1)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-riscv
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Not vulnerable
(5.4.0-24.28)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Does not exist
|
|
|
linux-snapdragon
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1074.81)
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.5)
|
|
| xenial |
Released
(4.4.0-1134.142)
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.2 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H |
References
- https://bugzilla.suse.com/show_bug.cgi?id=1162002
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd
- https://www.cve.org/CVERecord?id=CVE-2020-14416
- https://ubuntu.com/security/notices/LSN-0069-1
- NVD
- Launchpad
- Debian