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CVE-2026-31418

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: drop logically empty buckets in mtype_del mtype_del() counts empty slots below n->pos in k, but it only drops the bucket when both n->pos and k are zero. This misses buckets whose live entries have all been removed while n->pos still points past deleted slots. Treat a bucket as empty when all positions below n->pos are unused and release it directly instead of shrinking it further.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:01f43b76d729889fd396af0cab33a15a8c727ded9af632ea8958ed1eb5e8dfe2
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":"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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/9

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/4

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/ipset/ip_set_hash_gen.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c098ff857e7ca923539164af5b3c2fe3e8f8afaf","status":"affected","version":"8af1c6fbd9239877998c7f5a591cb2c88d41fb66","versionType":"git"},{"lessThan":"58f3a14826d4e6b0d5421f1a64be280b48601ea2","status":"affected","version":"8af1c6fbd9239877998c7f5a591cb2c88d41fb66","versionType":"git"},{"lessThan":"ad92ee87462f9a3061361d392e9dbfe2e5c1c9fb","status":"affected","version":"8af1c6fb…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/3

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/ipset/ip_set_hash_gen.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/2

{"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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/5

Affected products and versions

12 source assertions
{"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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/9
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/4
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/ipset/ip_set_hash_gen.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c098ff857e7ca923539164af5b3c2fe3e8f8afaf","status":"affected","version":"8af1c6fbd9239877998c7f5a591cb2c88d41fb66","versionType":"git"},{"lessThan":"58f3a14826d4e6b0d5421f1a64be280b48601ea2","status":"affected","version":"8af1c6fbd9239877998c7f5a591cb2c88d41fb66","versionType":"git"},{"lessThan":"ad92ee87462f9a3061361d392e9dbfe2e5c1c9fb","status":"affected","version":"8af1c6fb…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/3
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/ipset/ip_set_hash_gen.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/2
{"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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/affected/5

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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /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:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/58f3a14826d4e6b0d5421f1a64be280b48601ea2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/68ca0eea0af02bed36c5e2c13e9fa1647c31a7d4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/6cea34d7ec6829b62f521a37a287f670144a2233"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9862ef9ab0a116c6dca98842aab7de13a252ae02"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/ad92ee87462f9a3061361d392e9dbfe2e5c1c9fb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b7eef00f08b92b0b9efe8ae0df6d0005e6199323"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/c098ff857e7ca923539164af5b3c2fe3e8f8afaf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ceacaa76f221a6577aba945bb8873c2e640aeba4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e88a7ee49251bffb535cf564f420a6878f49fd285797cc88fff2ba92a995e4cc · sha256:d8678f22e24693f8… · /containers/cna/references/6

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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