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CVE-2026-43027

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_helper: pass helper to expect cleanup nf_conntrack_helper_unregister() calls nf_ct_expect_iterate_destroy() to remove expectations belonging to the helper being unregistered. However, it passes NULL instead of the helper pointer as the data argument, so expect_iter_me() never matches any expectation and all of them survive the cleanup. After unregister returns, nfnl_cthelper_del() frees the helper obje
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c6f3bae162cecd6634790bdcbdf2e77a44481c5f7afde5d3841fc0f2c52b0128
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/4

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_helper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5cf28d5c8dcbbe8af6d3b145babe491906d7bad1","status":"affected","version":"ac7b848390036dadd4351899d2a23748075916bd","versionType":"git"},{"lessThan":"504ba4168466c91210c45acdc332479cfd5f2da6","status":"affected","version":"ac7b848390036dadd4351899d2a23748075916bd","versionType":"git"},{"lessThan":"dc1739eff48e34cc71d4e2f03715493fbcebd8af","status":"affected","version":"ac7b848390…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/affected/0

{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/9

{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/1

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_helper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semv…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/0

{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/2

{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/7

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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/4
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_helper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5cf28d5c8dcbbe8af6d3b145babe491906d7bad1","status":"affected","version":"ac7b848390036dadd4351899d2a23748075916bd","versionType":"git"},{"lessThan":"504ba4168466c91210c45acdc332479cfd5f2da6","status":"affected","version":"ac7b848390036dadd4351899d2a23748075916bd","versionType":"git"},{"lessThan":"dc1739eff48e34cc71d4e2f03715493fbcebd8af","status":"affected","version":"ac7b848390…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/affected/0
{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/9
{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/1
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_helper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semv…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/0
{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/2
{"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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/affected/7

Source references

10 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /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:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/2c16e4d64dd91227742dfe196a3e7b0568bef65a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/2cf2737c85a2ba2b52024dafe68ffad2676f97be"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/504ba4168466c91210c45acdc332479cfd5f2da6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/5cf28d5c8dcbbe8af6d3b145babe491906d7bad1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/620f3d14c1ef51d425060a3056ad8dbae8f998a3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/90bd7e8501349db3006d21fbc09df9ffcb172965"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/a242a9ae58aa46ff7dae51ce64150a93957abe65"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/dc1739eff48e34cc71d4e2f03715493fbcebd8af"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:efcb6a593ae58cc0402f18832c52473e0532195eaaf871988b16a96d65dd0af0 · sha256:f82dbbba8588be9b… · /containers/cna/references/2

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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