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CVE-2018-20961
CRITICAL
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.
Published: Aug 7, 2019
Modified: Jun 17, 2026
CWE-415
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (4)
| Vendor | Product | Version |
|---|---|---|
| linux | linux_kernel | * ≥ 4.4 < 4.4.190 |
| linux | linux_kernel | * ≥ 4.5 < 4.9.96 |
| linux | linux_kernel | * ≥ 4.10 < 4.14.36 |
| linux | linux_kernel | * ≥ 4.15.0 < 4.16.4 |
GitHub Security Advisory GHSA-cfwf-8wx8-588c
In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of...
References (20)
- http://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html Third Party Advisory, VDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349f Exploit, Mailing List, Vendor Advisory
- https://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349f Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/Aug/48 Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190905-0002/ Third Party Advisory
- https://support.f5.com/csp/article/K58502654 Third Party Advisory
- https://support.f5.com/csp/article/K58502654?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/4145-1/ Third Party Advisory
- http://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html Third Party Advisory, VDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349f Exploit, Mailing List, Vendor Advisory
- https://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349f Patch, Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
6.34%
Top 7% most likely to be exploited
Threat Score
41.1 / 100
Data Sources
NVD
EPSS
GitHub