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UBUNTU-CVE-2018-20961 Critical

UBUNTU-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 cause a denial of service or possibly have unspecified other impact.

Exploit probability Not scored
Published August 7, 2019
Required by Not available
Last source change August 17, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS linux

98 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

15 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

34 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

70 explicit affected versions

Ubuntu:16.04:LTS linux-snapdragon

68 explicit affected versions

Ubuntu:18.04:LTS linux

12 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

6 explicit affected versions

Ubuntu:18.04:LTS linux-oem

4 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

8 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

4 explicit affected versions

Ubuntu:20.04:LTS linux-azure-fde

26 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

Ubuntu:Nvidia-BlueField:24.04:LTS linux-bluefield

11 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

35 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-lts-xenial

76 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

2 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

12 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-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 cause a denial of service or possibly have unspecified other impact.

View original source

05 / REFERENCES

Further evidence