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Test your applicationsThere is no fixed version for Centos:6
perf
.
Note: Versions mentioned in the description apply only to the upstream perf
package and not the perf
package as distributed by Centos
.
See How to fix?
for Centos:6
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
netfilter: conntrack: re-fetch conntrack after insertion
In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry.
This wasn't found before because the conntrack entry and the extension space used to free'd after an rcu grace period, plus the race needs events enabled to trigger.