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CVE-2026-23321

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always mark signal+subflow endp as used Syzkaller managed to find a combination of actions that was generating this warning: msk->pm.local_addr_used == 0 WARNING: net/mptcp/pm_kernel.c:1071 at __mark_subflow_endp_available net/mptcp/pm_kernel.c:1071 [inline], CPU#1: syz.2.17/961 WARNING: net/mptcp/pm_kernel.c:1071 at mptcp_nl_remove_subflow_and_signal_addr net/mptcp/pm_kernel.c:1103 [inline], CPU#1
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0d38778fbd0b623ae970ee8261c977f39a1037b6cac7aa5ad5bf1190a551933b
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":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/7

{"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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/4

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/8

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/5

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/1

{"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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/mptcp/pm_kernel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c5c877e140e5f46023a74a51e577ce5edd0a4be7","status":"affected","version":"d93cf38fad9f66397093432b8917971a92ee0146","versionType":"git"},{"lessThan":"05799c2f1ca5eb13d65764dda688d02021b65e06","status":"affected","version":"64815ba15880ce5f99df075fa4104fef170ac7e5","versionType":"git"},{"lessThan":"67f34ab318807989b57dfdb0f79e2d4e57018290","status":"affected","version":"85df533a787bf07bf4367ce2…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/3

{"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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/6

{"defaultStatus":"affected","product":"Linux","programFiles":["net/mptcp/pm_kernel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOr…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/2

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":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/7
{"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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/4
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/8
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/5
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/1
{"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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/mptcp/pm_kernel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c5c877e140e5f46023a74a51e577ce5edd0a4be7","status":"affected","version":"d93cf38fad9f66397093432b8917971a92ee0146","versionType":"git"},{"lessThan":"05799c2f1ca5eb13d65764dda688d02021b65e06","status":"affected","version":"64815ba15880ce5f99df075fa4104fef170ac7e5","versionType":"git"},{"lessThan":"67f34ab318807989b57dfdb0f79e2d4e57018290","status":"affected","version":"85df533a787bf07bf4367ce2…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/3
{"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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/6
{"defaultStatus":"affected","product":"Linux","programFiles":["net/mptcp/pm_kernel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOr…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/affected/2

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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /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:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/05799c2f1ca5eb13d65764dda688d02021b65e06"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/198824ccfa64ffebd918bf99c939bd8170a4a4d8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/579a752464a64cb5f9139102f0e6b90a1f595ceb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/67f34ab318807989b57dfdb0f79e2d4e57018290"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a64aa7db39392add5be09dffaedbf1f0ce5554df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c5c877e140e5f46023a74a51e577ce5edd0a4be7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95f88b64689c1980a8aabcb1ef7c61f960a65a756b6be0ac25aaaa238bb7f26d · sha256:3c1b5fef560cfd9e… · /containers/cna/references/0

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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