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CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible context, triggering soft lockup warnings and RCU stall reports (local denial of service). We must split GC in an unlink and a reclaim phase. We cannot queue elements for freeing until pointe
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:15f63af64958bcf82e1fea0219da294daf72c9a592078260e504cd9ad7d6fe65
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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/4

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/9

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/5

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netfilter/nf_tables.h","net/netfilter/nf_tables_api.c","net/netfilter/nft_set_pipapo.c","net/netfilter/nft_set_pipapo.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"65ca51b9fb85477ab92a04295aed34b38f7c062e","status":"affected","version":"3c4287f62044a90e73a561aa05fc46e62da173da","versionType":"git"},{"lessThan":"c0f1f85097ac2b6e7d750fe4d05807985cd3fd3a","status":"affected","version":"3c4287f62044a90e73a561aa05fc46e62da173da","versionType":"git"},…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/7

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/netfilter/nf_tables.h","net/netfilter/nf_tables_api.c","net/netfilter/nft_set_pipapo.c","net/netfilter/nft_set_pipapo.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":"sem…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/affected/1

{"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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/2

{"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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/1

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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/4
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/9
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/5
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netfilter/nf_tables.h","net/netfilter/nf_tables_api.c","net/netfilter/nft_set_pipapo.c","net/netfilter/nft_set_pipapo.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"65ca51b9fb85477ab92a04295aed34b38f7c062e","status":"affected","version":"3c4287f62044a90e73a561aa05fc46e62da173da","versionType":"git"},{"lessThan":"c0f1f85097ac2b6e7d750fe4d05807985cd3fd3a","status":"affected","version":"3c4287f62044a90e73a561aa05fc46e62da173da","versionType":"git"},…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/7
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/netfilter/nf_tables.h","net/netfilter/nf_tables_api.c","net/netfilter/nft_set_pipapo.c","net/netfilter/nft_set_pipapo.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":"sem…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/affected/1
{"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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/2
{"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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/affected/1

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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/16f3595c0441d87dfa005c47d8f95be213afaa9e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/500a50a301ce962b019ab95053ac70264fec2c21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/65ca51b9fb85477ab92a04295aed34b38f7c062e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/7864c667aed01a58b87ca518a631322cd0ac34c0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9df95785d3d8302f7c066050117b04cd3c2048c2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/aff13667708dfa0dce136b8efd81baa9fa6ef261"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/c0f1f85097ac2b6e7d750fe4d05807985cd3fd3a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c12d570d71920903a1a0468b7d13b085203d0c93"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:487865d7296613a2b50a0281c1350c3bd90d3e4595c7b833a8938d752828969c · sha256:76f33317ef702f78… · /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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