Vulnerability DatabaseCVE-2020-14416
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CVE-2020-14416
Published:June 18, 2020
Updated:May 17, 2026
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.
Related Resources (8)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16
https://bugzilla.suse.com/show_bug.cgi?id=1162002
https://security-tracker.debian.org/tracker/CVE-2020-14416
https://access.redhat.com/security/cve/CVE-2020-14416
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14416
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
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CVSS v4
Base Score:
5.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362
Use After Free
CWE-416
EPSS
Base Score:
0.09