Ubuntu update for linux

1) Double Free

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

Description

The 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.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 21.10

linux-image-5.4.0-121-lowlatency (Ubuntu package): before 5.4.0-121.137

linux-image-5.4.0-121-generic-lpae (Ubuntu package): before 5.4.0-121.137

linux-image-5.4.0-121-generic (Ubuntu package): before 5.4.0-121.137

linux-image-oem-osp1 (Ubuntu package): before 5.4.0.121.122

linux-image-oem (Ubuntu package): before 5.4.0.121.122

linux-image-lowlatency (Ubuntu package): before 5.13.0.52.58

linux-image-generic-lpae (Ubuntu package): before 5.13.0.52.58

linux-image-5.13.0-52-generic (Ubuntu package): before 5.13.0-52.59

linux-image-oem-20.04 (Ubuntu package): before 5.13.0.52.58

linux-image-5.13.0-52-generic-lpae (Ubuntu package): before 5.13.0-52.59

linux-image-5.13.0-52-lowlatency (Ubuntu package): before 5.13.0-52.59

linux-image-generic (Ubuntu package): before 5.13.0.52.58

linux-image-generic-64k (Ubuntu package): before 5.13.0.52.58

linux-image-virtual (Ubuntu package): before 5.13.0.52.58

linux-image-5.13.0-52-generic-64k (Ubuntu package): before 5.13.0-52.59

linux-image-virtual-hwe-16.04 (Ubuntu package): before 4.15.0.188.173

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before 4.15.0.188.173

linux-image-generic-hwe-16.04 (Ubuntu package): before 4.15.0.188.173

linux-image-4.15.0-188-lowlatency (Ubuntu package): before 4.15.0-188.199

linux-image-4.15.0-188-generic-lpae (Ubuntu package): before 4.15.0-188.199

linux-image-4.15.0-188-generic (Ubuntu package): before 4.15.0-188.199

External links

http://ubuntu.com/security/notices/USN-5493-1

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.