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CVE-2026-31416

netfilter: nfnetlink_log: account for netlink header size

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.11, 3.13, 3.15, 3.18, 5.10.253, and 6 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: account for netlink header size This is a followup to an old bug fix: NLMSG_DONE needs to account for the netlink header size, not just the attribute size. This can result in a WARN splat + drop of the netlink message, but other than this there are no ill effects.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 4ec216410fac9de83c99177a160ebb8d42fad075; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 09883bf257f4243ed5a1fd35078ec6f0d0f3696a; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 761b45c661af48da6a065868d59ab1e1f64fd9b6; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 607245c4dbb86d9a10dd8388da0fb82170a99b61; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 6b419700e459fbf707ca1543b7c1b57a60fedb73; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 88a8f56e6276f616baad4274c6b8e4683e26e520; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in f08ffa3e1c8e36b6131f69c5eb23700c28cbd262; From 9dfa1dfe4d5e5e66a991321ab08afe69759d797a · fixed in 6d52a4a0520a6696bdde51caa11f2d6821cd0c01; From 3.10.61 · fixed in 3.11; From 3.12.34 · fixed in 3.13; From 3.14.25 · fixed in 3.15; From 3.17.4 · fixed in 3.18

  • Linux Linux

    3.18

  • KernelLinux

    From 3.18.0 · fixed in 5.10.253; From 5.11.0 · fixed in 5.15.203; From 5.16.0 · fixed in 6.1.168; From 6.2.0 · fixed in 6.6.134; From 6.7.0 · fixed in 6.12.81; From 6.13.0 · fixed in 6.18.22; From 6.19.0 · fixed in 6.19.12

References 8

git.kernel.org