Critical severity · published Aug 7, 2019
CVE-2018-20961
In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to…
9.8
CVSS
6.3%
EPSS
No
On KEV
Description
In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.3% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.4 before 4.4.190; 4.5 before 4.9.96; 4.10 before 4.14.36; 4.15.0 before 4.16.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20961
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20961
Third Party Advisory
http://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
Third Party Advisory
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
Release Notes
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4
Exploit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349f
Patch
https://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349f
Mailing List
https://seclists.org/bugtraq/2019/Aug/48
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