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CVE-2026-43026

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent ctnetlink_alloc_expect() allocates expectations from a non-zeroing slab cache via nf_ct_expect_alloc(). When CTA_EXPECT_NAT is not present in the netlink message, saved_addr and saved_proto are never initialized. Stale data from a previous slab occupant can then be dumped to userspace by ctnetlink_exp_dump_expect(), which checks these fields to decide wh
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:edb4ea2b105f75437bf513b890890a7f8efd6db5f67a25553e88f7590a066c8a
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 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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/2

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/7

{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/8

{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/6

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/4

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.4"},{"lessThan":"3.4","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":"semve…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/affected/1

{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/5

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a5a89db6981a1ddf2314bf50cb49db5a3146185f","status":"affected","version":"076a0ca02644657b13e4af363f487ced2942e9cb","versionType":"git"},{"lessThan":"1c2ebdeff8d088a2e47ae25d7b38447249adace2","status":"affected","version":"076a0ca02644657b13e4af363f487ced2942e9cb","versionType":"git"},{"lessThan":"a64b7bf84b4d5ea54218c5d374ec87fff9000f43","status":"affected","version":"076a0ca02…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/affected/0

{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/0

{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/3

{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/1

Affected products and versions

12 source assertions
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/2
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/7
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/8
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/6
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/4
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.4"},{"lessThan":"3.4","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":"semve…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/affected/1
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/5
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a5a89db6981a1ddf2314bf50cb49db5a3146185f","status":"affected","version":"076a0ca02644657b13e4af363f487ced2942e9cb","versionType":"git"},{"lessThan":"1c2ebdeff8d088a2e47ae25d7b38447249adace2","status":"affected","version":"076a0ca02644657b13e4af363f487ced2942e9cb","versionType":"git"},{"lessThan":"a64b7bf84b4d5ea54218c5d374ec87fff9000f43","status":"affected","version":"076a0ca02…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/affected/0
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/0
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/3
{"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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/affected/1

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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /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:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/1c2ebdeff8d088a2e47ae25d7b38447249adace2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/2898080c054ea4d6ddfaaf21bbedbc229a9a8376"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/35177c6877134a21315f37d57a5577846225623e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/929f7a9a7aad9404a5867216c3f8738232355b38"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/a5a89db6981a1ddf2314bf50cb49db5a3146185f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/a64b7bf84b4d5ea54218c5d374ec87fff9000f43"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/bff0f4f06f12d6d9bc565a3e1378abd4f6f5ce36"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/fd002ff2ea030cbfb0188a11b3c60ce7f84485f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:606c0574ae6feaae47719701acc500f989a61dfe7b8d3262e24526f7da9f9c67 · sha256:f7c86aad04a89cea… · /containers/cna/references/4

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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