CVE-2020-7463
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Freebsd
PublishedMar 26, 2021
First seenMar 26, 2021
How to fix
Update
- apple icloud12.3 or later
- apple itunes12.11.3 or later
- apple safari14.1 or later
- apple ipados14.5 or later
- apple iphone_os14.5 or later
- apple macos11.3 or later
- apple tvos14.5 or later
- apple watchos7.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freebsd freebsd | 11.3, 11.4, 12.1, 12.2 | — |
| apple icloud | v < 12.3 | 12.3 |
| apple itunes | v < 12.11.3 | 12.11.3 |
| apple safari | v < 14.1 | 14.1 |
| apple ipados | v < 14.5 | 14.5 |
| apple iphone_os | v < 14.5 | 14.5 |
| apple macos | 11.0 ≤ v < 11.3 | 11.3 |
| apple tvos | v < 14.5 | 14.5 |
| apple watchos | v < 7.4 | 7.4 |
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