CVE-2020-7460 Race condition in FreeBSD
A race condition in the FreeBSD compat32 sendmsg system call allows malicious userspace programs to bypass validation, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-7460?
CVE-2020-7460 is a high-severity vulnerability in Freebsd Freebsd, published on 6 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p8, 11.4-STABLE before r363919, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, the sendmsg system call in the compat32 subsystem on 64-bit platforms has a time-of-check to time-of-use vulnerability allowing a mailcious userspace program to modify control message headers after they were validation.
Weakness: CWE-367
Which versions are affected by CVE-2020-7460?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2020-7460?
No fix has been published for CVE-2020-7460 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-7460 being exploited?
There is no known exploitation of CVE-2020-7460 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-xfwf-8q7p-hwxg.