Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX
Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset.
Similar to:
b541ba7d1f5a (“netfilter: conntrack: clamp maximum hashtable size to INT_MAX”)
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , TuxCare 9.6 ESU
- Affected packages:
- kernel @ 5.14.0 (+4 more)
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX
Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset.
Similar to:
b541ba7d1f5a (“netfilter: conntrack: clamp maximum hashtable size to INT_MAX”)