Vulnerability Details : CVE-2021-47186
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
Products affected by CVE-2021-47186
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Exploit prediction scoring system (EPSS) score for CVE-2021-47186
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
References for CVE-2021-47186
-
https://git.kernel.org/stable/c/3e6db079751afd527bf3db32314ae938dc571916
tipc: check for null after calling kmemdup - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/9404c4145542c23019a80ab1bb2ecf73cd057b10
tipc: check for null after calling kmemdup - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/a7d91625863d4ffed63b993b5e6dc1298b6430c9
tipc: check for null after calling kmemdup - kernel/git/stable/linux.git - Linux kernel stable tree
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