CVE-2021-29628
Last modified
CVE-2021-29628 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In FreeBSD 13.0-STABLE before n245764-876ffe28796c, 12.2-STABLE before r369857, 13.0-RELEASE before p1, and 12.2-RELEASE before p7, a system call triggering a fault could cause SMAP protections to be disabled for the duration of the system call. This weakness could be combined with other kernel bugs to craft an exploit.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.
Description
In FreeBSD 13.0-STABLE before n245764-876ffe28796c, 12.2-STABLE before r369857, 13.0-RELEASE before p1, and 12.2-RELEASE before p7, a system call triggering a fault could cause SMAP protections to be disabled for the duration of the system call. This weakness could be combined with other kernel bugs to craft an exploit.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 12.2 |
| Freebsd | Freebsd | 13.0 |
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.ascExploit, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210713-0002/Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:11.smap.ascExploit, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210713-0002/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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