Description
In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive(). udp_tunnel_sock_release() could set sk->sk_user_data to NULL while vxlan_gro_prepare_receive() is running. Let's check if rcu_dereference_sk_user_data() is NULL after skb_gro_remcsum_init().
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
5602c48cf87562c2f95b831d690631935e834295 to < 022af89207fcc992ec5c712c14e2e018c335eb1eaffected5602c48cf87562c2f95b831d690631935e834295 to < a3104cc1fed994519538301efcaab175f9af6008affected5602c48cf87562c2f95b831d690631935e834295 to < 9c58c729d32e7cea5772cc44929c6cd61e5a31cdaffected5602c48cf87562c2f95b831d690631935e834295 to < f79c80f173fda9545b220c1f094b65fc06c252d0affected5602c48cf87562c2f95b831d690631935e834295 to < 08f40c0d23c67c3aa4224c3311e134999c721fb4affected5602c48cf87562c2f95b831d690631935e834295 to < 4a8cde6f7281ea2c4c290f9ad9923b3631defcebaffected5602c48cf87562c2f95b831d690631935e834295 to < ef44dac2a37f86eeae6b88ed10a6d60b35387dfdaffected5602c48cf87562c2f95b831d690631935e834295 to < 30a45c0bffdd62350261e2f2689fdba426a33578affected
Linux Linux
Default version status: affected
4.7affected0 to < 4.7unaffected5.10.273 to ≤ 5.10.*unaffected5.15.224 to ≤ 5.15.*unaffected6.1.178 to ≤ 6.1.*unaffected6.6.145 to ≤ 6.6.*unaffected6.12.97 to ≤ 6.12.*unaffected6.18.40 to ≤ 6.18.*unaffected7.1.5 to ≤ 7.1.*unaffected7.2 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/022af89207fcc992ec5c712c14e2e018c335eb1e ↗
- https://git.kernel.org/stable/c/a3104cc1fed994519538301efcaab175f9af6008 ↗
- https://git.kernel.org/stable/c/9c58c729d32e7cea5772cc44929c6cd61e5a31cd ↗
- https://git.kernel.org/stable/c/f79c80f173fda9545b220c1f094b65fc06c252d0 ↗
- https://git.kernel.org/stable/c/08f40c0d23c67c3aa4224c3311e134999c721fb4 ↗
- https://git.kernel.org/stable/c/4a8cde6f7281ea2c4c290f9ad9923b3631defceb ↗
- https://git.kernel.org/stable/c/ef44dac2a37f86eeae6b88ed10a6d60b35387dfd ↗
- https://git.kernel.org/stable/c/30a45c0bffdd62350261e2f2689fdba426a33578 ↗