[SRU Jammy,OEM-6.1,Lunar,Mantic 0/1] CVE-2024-0193

Thadeu Lima de Souza Cascardo cascardo at canonical.com
Thu Jan 4 19:42:49 UTC 2024


[Impact]
A double deactivation of garbage collected netfilter set pipapo elements
can lead to a use-after-free, allowing unprivileged users to escalage
privileges when user namespaces are used.

[Test case]
This was only built tested.

[Potential impact]
nftables users would be affected.

Pablo Neira Ayuso (1):
  netfilter: nf_tables: skip set commit for deleted/destroyed sets

 net/netfilter/nf_tables_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.34.1




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