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Redhat.comRH:CVE-2021-47103HistoryMar 05, 2024 - 5:10 p.m.
CVE-2021-47103
2024-03-0517:10:25
redhat.com
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4
linux kernel
tcp ip
use-after-free
vulnerability
local attacker
crash
memory leaking
A use-after-free vulnerability was found in the TCP IP protocol in the Linux Kernel, where a delete operation of the RCU-protected pointer is supposed to clear the pointer before the call_rcu()/synchronize_rcu() guarding the actual memory freeing. This flaw allows a local attacker to crash the system or leak kernel internal information.
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