Home/CVE/In the Linux kernel before 5.4.16, a race condition in tty-disc_data handling in the slip and slcan line discipline coul
CVE

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 coul

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.

MEDIUM · CVSS 4.2 EPSS 0.00091
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416Use After Free
▤

Affected Products & Versions

2
linux kernel< 5.4.16
opensuse leapall versions
▣

Scoring & Timeline

4.2
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Jun 2020 · 11:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

18
suse-csafopenSUSE-SU-2021:0242-1
suse-csafSUSE-SU-2020:2487-1
suse-csafSUSE-SU-2020:2478-1
suse-csafopenSUSE-SU-2020:1153-1
suse-csafSUSE-SU-2020:2152-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlMailing ListThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1162002Issue TrackingPatchThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16Release NotesVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954ddPatchVendor Advisory
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