Unrated severityNVD Advisory· Published Apr 7, 2021· Updated Aug 3, 2024
CVE-2021-29626
CVE-2021-29626
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.
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Affected products
2- FreeBSD/FreeBSDdescription
Patches
Vulnerability mechanics
References
2- security.freebsd.org/advisories/FreeBSD-SA-21:08.vm.ascmitrex_refsource_MISC
- security.netapp.com/advisory/ntap-20210423-0008/mitrex_refsource_CONFIRM
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