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Redhat.comRH:CVE-2024-27390HistoryMay 01, 2024 - 9:58 p.m.
CVE-2024-27390
2024-05-0121:58:02
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12
linux kernel
vulnerability
cve-2024-27390
ipv6
mcast
synchronize_net()
kasan
In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down() As discussed in the past (commit 2d3916f31891 (“ipv6: fix skb drops in igmp6_event_query() and igmp6_event_report()”)) I think the synchronize_net() call in ipv6_mc_down() is not needed. Under load, synchronize_net() can last between 200 usec and 5 ms. KASAN seems to agree as well.
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