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CVE-2021-47186

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CVE-2021-47186

Published: Apr 10, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipc_crypto_key_xmit as can be seen in the trace [1]. [1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58

VendorProductVersions

Linux

Linux

affected
1ef6f7c9390ff5308c940ff8d0a53533a4673ad9 - < a7d91625863d4ffed63b993b5e6dc1298b6430c9
affected
1ef6f7c9390ff5308c940ff8d0a53533a4673ad9 - < 9404c4145542c23019a80ab1bb2ecf73cd057b10
affected
1ef6f7c9390ff5308c940ff8d0a53533a4673ad9 - < 3e6db079751afd527bf3db32314ae938dc571916

Linux

Linux

affected
5.10
unaffected
0 - < 5.10
unaffected
5.10.82 - <= 5.10.*
unaffected
5.15.5 - <= 5.15.*
unaffected
5.16 - <= *

References

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