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CVE-2026-31680

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown `ip6fl_seq_show()` walks the global flowlabel hash under the seq-file RCU read-side lock and prints `fl->opt->opt_nflen` when an option block is present. Exclusive flowlabels currently free `fl->opt` as soon as `fl->users` drops to zero in `fl_release()`. However, the surrounding `struct ip6_flowlabel` remains visible in the global hash table until later gar
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5019512db99692de115eca7f61e402982780fa284ab40943c538be0e067f5e02
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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/4

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/ip6_flowlabel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4b6798024f7b2d535f3db1002c760143cdbd1bd3","status":"affected","version":"d3aedd5ebd4b0b925b0bcda548066803e1318499","versionType":"git"},{"lessThan":"3c54b66c83fb8fcbde8e6a7bf90b65856e39f827","status":"affected","version":"d3aedd5ebd4b0b925b0bcda548066803e1318499","versionType":"git"},{"lessThan":"5a6b15f861b7c1304949e3350d23490a5fe429fd","status":"affected","version":"d3aedd5ebd4b0b925b0bc…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/7

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/ip6_flowlabel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","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":"semver"},{"lessTh…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/6

{"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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/8

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/5

{"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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/9

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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/4
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/ip6_flowlabel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4b6798024f7b2d535f3db1002c760143cdbd1bd3","status":"affected","version":"d3aedd5ebd4b0b925b0bcda548066803e1318499","versionType":"git"},{"lessThan":"3c54b66c83fb8fcbde8e6a7bf90b65856e39f827","status":"affected","version":"d3aedd5ebd4b0b925b0bcda548066803e1318499","versionType":"git"},{"lessThan":"5a6b15f861b7c1304949e3350d23490a5fe429fd","status":"affected","version":"d3aedd5ebd4b0b925b0bc…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/7
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/ip6_flowlabel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","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":"semver"},{"lessTh…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/6
{"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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/8
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/5
{"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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/affected/9

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/metrics/0/cvssV3_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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/3c54b66c83fb8fcbde8e6a7bf90b65856e39f827"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/414726b69921fe6355ae453f5b35e68dd078342a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/4b6798024f7b2d535f3db1002c760143cdbd1bd3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/572ce62778519a7d4d1c15f55dd2e45a474133c4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/5a6b15f861b7c1304949e3350d23490a5fe429fd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/6c7fbdb8ffde6413640de7cfbd7c976c353e89f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/8027964931785cb73d520ac70a342a3dc16c249b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/9ca562bb8e66978b53028fa32b1a190708e6a091"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63ada674679bef975ec0dd7003984ab886d929ca214e25a386da82968533d119 · sha256:56f6467b07f91069… · /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.

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