4.4 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
6.4 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
48.5%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-163.171 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-91.102 | UNKNOWN |
ubuntu | 21.04 | noarch | linux | < 5.11.0-37.41 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-223.256 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1116.123 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1060.63 | UNKNOWN |
ubuntu | 21.04 | noarch | linux-aws | < 5.11.0-1019.20 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1103.108 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1139.153 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.11 | < 5.11.0-1019.20~20.04.1 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2021-37159
lore.kernel.org/linux-usb/[email protected]/
nvd.nist.gov/vuln/detail/CVE-2021-37159
security-tracker.debian.org/tracker/CVE-2021-37159
ubuntu.com/security/notices/USN-5092-1
ubuntu.com/security/notices/USN-5092-2
ubuntu.com/security/notices/USN-5096-1
ubuntu.com/security/notices/USN-5115-1
ubuntu.com/security/notices/USN-5163-1
ubuntu.com/security/notices/USN-5164-1
ubuntu.com/security/notices/USN-5361-1
www.cve.org/CVERecord?id=CVE-2021-37159
www.spinics.net/lists/linux-usb/msg202228.html
4.4 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
6.4 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
48.5%