Race condition in F5 BIG-IP Linux kernel

1) Race condition

EUVDB-ID: #VU87374

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-2193

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a speculative race condition. A local user can exploit the race and gain unauthorized access to contents of arbitrary host memory, including memory assigned to other guests.

The vulnerability was dubbed GhostRace.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP: 15.0.0 - 20.1.0

CPE2.3

• cpe:2.3:h:f5_networks:big-ip:20.1.0:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:20.0.2:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:16.1.5:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:15.1.10.4:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:17.1.1.3:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:17.0.0.2:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:16.0.1.2:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:15.0.1.4:*:*:*:*:*:*:

External links

http://my.f5.com/manage/s/article/K000139682

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.