#VU75103 Time-of-check Time-of-use (TOCTOU) Race Condition in Linux kernel


Vulnerability identifier: #VU75103

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2007

CWE-ID: CWE-367

Exploitation vector: Local

Exploit availability: No

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

Vendor:

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition in dpt_i2o driver. A local privileged user can gain access to sensitive kernel information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://www.zerodayinitiative.com/advisories/ZDI-23-440/
http://github.com/torvalds/linux/commit/b04e75a4a8a81887386a0d2dbf605a48e779d2a0


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