CVE-2021-29627
Last modified
CVE-2021-29627 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Freebsd | Freebsd | >= 12.0, < 12.2 | — |
| Freebsd | Freebsd | 12.2 | — |
| Freebsd | Freebsd | 13.0 | Beta1 |
References
- https://security.netapp.com/advisory/ntap-20210423-0007/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210423-0007/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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