CVE Explorer

CVE-2026-31414

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: use expect->helper Use expect->helper in ctnetlink and /proc to dump the helper name. Using nfct_help() without holding a reference to the master conntrack is unsafe. Use exp->master->helper in ctnetlink path if userspace does not provide an explicit helper when creating an expectation to retain the existing behaviour. The ctnetlink expectation path holds the reference on the master conntrack a

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:940deee284339d600a2a5d540f37f4d550157b24ba82ee3d5b37a77461e6273a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 12 assertions

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/4

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/9

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/7

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/3

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/2

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_expect.c","net/netfilter/nf_conntrack_helper.c","net/netfilter/nf_conntrack_netlink.c","net/netfilter/nf_conntrack_sip.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"847cb7fe26c5ce5dce0d1a41fac1ea488b7f1781","status":"affected","version":"ea781f197d6a835cbb93a0bf88ee1696296ed8aa","versionType":"git"},{"lessThan":"e7ccaa0a62a8ff2be5d521299ce79390c318d306","status":"affected","version":"ea781f197d6a835cbb93a0bf88ee1696296ed8aa","vers…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_expect.c","net/netfilter/nf_conntrack_helper.c","net/netfilter/nf_conntrack_netlink.c","net/netfilter/nf_conntrack_sip.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.30"},{"lessThan":"2.6.30","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134",…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/6

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/5

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/8

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/0

Affected products and versions

12 source assertions

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/4

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/9

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/7

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/3

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/2

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/6

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/5

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/8

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions

{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/references/1

{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/adp/0/references/0

{"url":"https://git.kernel.org/stable/c/3dfd3f7712b5a800f2ba632179e9b738076a51f0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/4bd1b3d839172724b33d8d02c5a4ff6a1c775417"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/847cb7fe26c5ce5dce0d1a41fac1ea488b7f1781"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/b53294bff19e56ada2f230ceb8b1ffde61cc3817"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/e7ccaa0a62a8ff2be5d521299ce79390c318d306"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/f01794106042ee27e54af6fdf5b319a2fe3df94d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d21da945b31725f5d660d88370ba19d8dec21f31515c6141e11b7282242a5dad · sha256:f0e00672a65c5833… · /containers/cna/references/5

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.

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