CVE-2021-37159CWE-415CWE-416

CVE-2021-37159

Medium · published July 21, 2021

CVSS v3.1

6.4

EPSS

0%

Percentile

32.1

In the wild

Unconfirmed

What it is

hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.

The record

Technical detail

CVSS v3.1: 6.4 · MEDIUM
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00391 · 32.1th percentile
Weaknesses: CWE-415 · Double Free; CWE-416 · Use After Free
Published: 2021-07-21T19:16Z

Affected products (5)

Product	Versions	Fixed in
linux/linux_kernel	≤ 5.13.4	—
debian/debian_linux	all versions	—
oracle/communications_cloud_native_core_binding_support_function	all versions	—
oracle/communications_cloud_native_core_network_exposure_function	all versions	—
oracle/communications_cloud_native_core_policy	all versions	—

References (16)

https://bugzilla.suse.com/show_bug.cgi?id=1188601 · [email protected]https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca · [email protected]https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145 · [email protected]https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html · [email protected]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html · [email protected]https://security.netapp.com/advisory/ntap-20210819-0003/ · [email protected]https://www.oracle.com/security-alerts/cpujul2022.html · [email protected]https://www.spinics.net/lists/linux-usb/msg202228.html · [email protected]https://bugzilla.suse.com/show_bug.cgi?id=1188601 · af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca · af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145 · af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html · af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html · af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20210819-0003/ · af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/security-alerts/cpujul2022.html · af854a3a-2127-422b-91ae-364da2661108 https://www.spinics.net/lists/linux-usb/msg202228.html · af854a3a-2127-422b-91ae-364da2661108

EPSS history

Timeline

21 JUL 00:00Z
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state…
cvelistv5