Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU63160
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-28388
CWE-ID:
CWE-415 - Double Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary code with elevated privileges.
The vulnerability exists due to boundary error in the usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.
MitigationUpdate the affected package linux-hwe-5.13 to the latest version.
Vulnerable software versionsUbuntu: 20.04
linux-image-5.13.0-52-lowlatency (Ubuntu package): before 5.13.0-52.59~20.04.1
linux-image-lowlatency-hwe-20.04 (Ubuntu package): before 5.13.0.52.59~20.04.31
linux-image-5.13.0-52-generic-lpae (Ubuntu package): before 5.13.0-52.59~20.04.1
linux-image-generic-64k-hwe-20.04 (Ubuntu package): before 5.13.0.52.59~20.04.31
linux-image-virtual-hwe-20.04 (Ubuntu package): before 5.13.0.52.59~20.04.31
linux-image-generic-lpae-hwe-20.04 (Ubuntu package): before 5.13.0.52.59~20.04.31
linux-image-5.13.0-52-generic (Ubuntu package): before 5.13.0-52.59~20.04.1
linux-image-generic-hwe-20.04 (Ubuntu package): before 5.13.0.52.59~20.04.31
linux-image-5.13.0-52-generic-64k (Ubuntu package): before 5.13.0-52.59~20.04.1
External linkshttp://ubuntu.com/security/notices/USN-5493-2
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.