#VU77496 Race condition in Linux kernel


Published: 2023-06-17

Vulnerability identifier: #VU77496

Vulnerability risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33203

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

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

Vendor:

Description

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in drivers/net/ethernet/qualcomm/emac/emac.c. An attacker with physical access to the system can exploit the race by unplugging an emac based device and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b6bc5b8bd2d4ca9e1efa9ae0f98a0b0687ace75
http://bugzilla.suse.com/show_bug.cgi?id=1210685
http://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
http://bugzilla.redhat.com/show_bug.cgi?id=2192667


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability