CVE-2020-15393

MEDIUM

Linux kernel <5.7.6 - Memory Corruption

Title source: llm

Description

In the Linux kernel 4.4 through 5.7.6, usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770.

References (12)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

[Mailing List, Patch, Vendor Advisory] https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=831eebad70a25f55b5745453ac252d4afe997187

[Patch, Third Party Advisory] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28ebeb8db77035e058a510ce9bd17c2b9a009dba

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

[Third Party Advisory] https://lkml.org/lkml/2020/6/2/968

[Third Party Advisory] https://usn.ubuntu.com/4463-1/

[Third Party Advisory] https://usn.ubuntu.com/4465-1/

[Third Party Advisory] https://usn.ubuntu.com/4483-1/

[Third Party Advisory] https://usn.ubuntu.com/4485-1/

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 24.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (8)

linux/linux_kernel < 5.7.6

debian/debian_linux

opensuse/leap

opensuse/leap

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

Timeline

Published Jun 29, 2020

Tracked Since Feb 18, 2026