This security bulletin contains one low risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to improper access restrictions to memory when performing TLB flushes after dropping pagetable locks with mremap() syscall, A local user can access a physical page of a stale TLB entry after ftruncate() syscall is called to remove entries from the pagetables of a task that is in the middle of mremap() syscall.
Successful exploitation of the vulnerability may allow an attacker to gain access to sensitive information, stored in process memory.Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.Vulnerable software versions
BIG-IQ Centralized Management: 7.0.0 - 8.2.0
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?