CVE-2021-29626
Last modified
CVE-2021-29626 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Freebsd | Freebsd | < 11.4 | — |
| Freebsd | Freebsd | >= 12.0, < 12.2 | — |
| Freebsd | Freebsd | 11.4 | — |
| Freebsd | Freebsd | 12.2 | — |
| Freebsd | Freebsd | 13.0 | Beta1 |
References
- https://security.netapp.com/advisory/ntap-20210423-0008/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210423-0008/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29626?
How severe is CVE-2021-29626?
How do I fix CVE-2021-29626?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-29620Report portal is an open source reporting and analysis frame…7.5
- CVE-2021-29621Flask-AppBuilder is a development framework, built on top of…5.3
- CVE-2021-29622Prometheus is an open-source monitoring system and time seri…6.1
- CVE-2021-29623Exiv2 is a C++ library and a command-line utility to read, w…3.3
- CVE-2021-29624fastify-csrf is an open-source plugin helps developers prote…6.5
- CVE-2021-29625Adminer is open-source database management software. A cross…6.1
- CVE-2021-29627In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r3…7.8
- CVE-2021-29628In FreeBSD 13.0-STABLE before n245764-876ffe28796c, 12.2-STA…7.5
- CVE-2021-29629In FreeBSD 13.0-STABLE before n245765-bec0d2c9c841, 12.2-STA…7.5
- CVE-2021-29630In FreeBSD 13.0-STABLE before n246938-0729ba2f49c9, 12.2-STA…8.1
- CVE-2021-29631In FreeBSD 13.0-STABLE before n246941-20f96f215562, 12.2-STA…7.8
- CVE-2021-29632In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STA…7.5
Are you affected by CVE-2021-29626?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST