CVE-2020-14416

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.

CVSS v3.0 4.2 MEDIUM
CVSS v2.0 4.7 MEDIUM

4.2^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.6 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.7^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:N/I:N/A:C

Exploitability : 3.4 / Impact : 6.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd	Patch Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1162002	Issue Tracking Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16	Release Notes Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:o:opensuse:leap:15.2:::::::*

Information

Published : 2020-06-18 04:15

Updated : 2022-05-03 06:37

NVD link : CVE-2020-14416

Mitre link : CVE-2020-14416

JSON object : View

CWE

CWE-416

Use After Free

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

linux

linux_kernel

opensuse

leap

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