CVE-2024-35962

Summary

In the Linux kernel, the following vulnerability has been resolved:

netfilter: complete validation of user input

In my recent commit, I missed that do_replace() handlers use copy_from_sockptr() (which I fixed), followed by unsafe copy_from_sockptr_offset() calls.

In all functions, we can perform the @optlen validation before even calling xt_alloc_table_info() with the following check:

if ((u64)optlen < (u64)tmp.size + sizeof(tmp)) return -EINVAL;

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0f038242b77ddfc505bf4163d4904c1abd2e74d6 < cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05affected
LinuxLinux440e948cf0eff32cfe322dcbca3f2525354b159b < 97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7affected
LinuxLinux18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 < c760089aa98289b4b88a7ff5a62dd92845adf223affected
LinuxLinux81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 < 89242d9584c342cb83311b598d9e6b82572eadf8affected
LinuxLinux58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 < 562b7245131f6e9f1d280c8b5a8750f03edfc05caffected
LinuxLinux0c83842df40f86e529db6842231154772c20edcc < 65acf6e0501ac8880a4f73980d01b5d27648b956affected
LinuxLinux5.10.215 < 5.10.216affected
LinuxLinux5.15.154 < 5.15.156affected
LinuxLinux6.1.85 < 6.1.87affected
LinuxLinux6.6.26 < 6.6.28affected
LinuxLinux6.8.5 < 6.8.7affected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

Additional References

References