vulnerability
FreeBSD: VID-c11ee146-c266-11ea-8659-901b0ef719ab (CVE-2020-7457): FreeBSD -- IPv6 socket option race condition and use after free
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jul 10, 2020 | Jul 11, 2020 | Dec 10, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jul 10, 2020
Added
Jul 11, 2020
Modified
Dec 10, 2025
Description
Problem Description: The IPV6_2292PKTOPTIONS set handler was missing synchronization, so racing accesses could modify freed memory. Impact: A malicious user application could trigger memory corruption, leading to privilege escalation.
Solutions
freebsd-upgrade-base-12_1-release-p7freebsd-upgrade-base-11_4-release-p1freebsd-upgrade-base-11_3-release-p11
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