Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly. Quoting the reporter: nlattr_to_sctp() assigns the user-supplied CTA_PROTOINFO_SCTP_STATE value directly to ct->proto.sctp.state without checking that it is within the valid range. [..] and
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0eef2e881cd2abae103982c3a5de4639e7611e158dc4eb76178f9fa1ec40b5e5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c","net/netfilter/nf_conntrack_proto_sctp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.27"},{"lessThan":"2.6.27","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaf…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c","net/netfilter/nf_conntrack_proto_sctp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e7b5766693477c52424cc6c79dd30a7a9c7db52c","status":"affected","version":"a258860e01b80e8f554a4ab1a6c95e6042eb8b73","versionType":"git"},{"lessThan":"78bba9f73942aa7dca47d817d8cec0fb9b443b70","status":"affected","version":"a258860e01b80e8f554a4ab1a6c95e6042eb8b73","versionType":"git"},{"lessThan":"be88a337bf07afb1ee173f1099294d1b7ab3fefe…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c","net/netfilter/nf_conntrack_proto_sctp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.27"},{"lessThan":"2.6.27","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaf…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c","net/netfilter/nf_conntrack_proto_sctp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e7b5766693477c52424cc6c79dd30a7a9c7db52c","status":"affected","version":"a258860e01b80e8f554a4ab1a6c95e6042eb8b73","versionType":"git"},{"lessThan":"78bba9f73942aa7dca47d817d8cec0fb9b443b70","status":"affected","version":"a258860e01b80e8f554a4ab1a6c95e6042eb8b73","versionType":"git"},{"lessThan":"be88a337bf07afb1ee173f1099294d1b7ab3fefe…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/0fbae1e74493d5a160a70c51aeba035d8266ea7d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/67c53c1978cef3c504237275e39c857e2f6af56e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/78bba9f73942aa7dca47d817d8cec0fb9b443b70"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/9174d28f3f15d8c4962f5980c0be167633880443"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/be88a337bf07afb1ee173f1099294d1b7ab3fefe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/c5e918390002edf0cff80a0e7ce1f86f16a9507c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e7b5766693477c52424cc6c79dd30a7a9c7db52c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f900e1d77ee0ef87bfb5ab3fe60f0b3d8ad5ba05"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d52bf8b077d37a30e66667c73f62417a81f3fa4a390659e86217010d4ac27cc6 · sha256:b25be52ca3c1459f… · /containers/cna/references/7

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer