CVE-2020-7463

Published Mar 26, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

Analysis

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Remediation

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Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-28589 In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
freebsd
Published
Updated
Aug 4, 2024, 9:33 AM
Reserved
Jan 21, 2020, 12:00 AM
Status
Modified
Published
Mar 26, 2021, 9:15 PM
Modified
Jun 17, 2026, 3:24 AM