#VU63318 Use-after-free in Linux kernel


Published: 2022-05-17

Vulnerability identifier: #VU63318

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26966

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a use-after-free error in drivers/net/usb/sr9700.c in the Linux kernel. A remote attacker can pass specially crafted data and obtain sensitive information from heap memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.16.1 - 5.16.11


External links
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e9da0b56fe27206b49f39805f7dcda8a89379062
http://security.netapp.com/advisory/ntap-20220419-0001/


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.


Latest bulletins with this vulnerability