Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb bpf_prog_test_run_skb() calls eth_type_trans() first and then uses skb->protocol to initialize sk family and address fields for the test run. For IPv4 and IPv6 packets, it may access ip_hdr(skb) or ipv6_hdr(skb) even when the provided test input only contains an Ethernet header. Reject the input earlier if the Ethernet frame carries IPv4/IPv6 EtherType but the L3 header is too short. Fold the IPv4/IPv6 header length checks into the existing protocol switch and return -EINVAL before accessing the network headers.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 7254267799d083280c0e53effc101a33add95f7b; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 6a9f38d5ff11e00bc54baab752642978805e81eb; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before e6aa481f21fc7a41ed344767ea25aae9d03fae71; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 0a04db240effd85773f66244645a28cedddb72d2; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 1f882c492d46f90bdb36f4936876c88c28dab21c; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 8042240412de3222d27b31e89d29336961cad9e4; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 6def5fe753cbe5b279ee5fd10327b2611cbddaca; affected fa5cb548ced61b9d3095f32f8a7e427a248c65ee before 12bec2bd4b76d81c5d3996bd14ec1b7f4d983747 |
| Linux / Linux | affected 5.9; unaffected 0 before 5.9; unaffected 5.10.258 through 5.10.*; unaffected 5.15.209 through 5.15.*; unaffected 6.1.175 through 6.1.*; unaffected 6.6.141 through 6.6.*; unaffected 6.12.91 through 6.12.*; unaffected 6.18.33 through 6.18.*; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/7254267799d083280c0e53effc101a33add95f7b
- https://git.kernel.org/stable/c/6a9f38d5ff11e00bc54baab752642978805e81eb
- https://git.kernel.org/stable/c/e6aa481f21fc7a41ed344767ea25aae9d03fae71
- https://git.kernel.org/stable/c/0a04db240effd85773f66244645a28cedddb72d2
- https://git.kernel.org/stable/c/1f882c492d46f90bdb36f4936876c88c28dab21c
- https://git.kernel.org/stable/c/8042240412de3222d27b31e89d29336961cad9e4
- https://git.kernel.org/stable/c/6def5fe753cbe5b279ee5fd10327b2611cbddaca
- https://git.kernel.org/stable/c/12bec2bd4b76d81c5d3996bd14ec1b7f4d983747