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CVE-2026-23458

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix use-after-free in ctnetlink_dump_exp_ct() ctnetlink_dump_exp_ct() stores a conntrack pointer in cb->data for the netlink dump callback ctnetlink_exp_ct_dump_table(), but drops the conntrack reference immediately after netlink_dump_start(). When the dump spans multiple rounds, the second recvmsg() triggers the dump callback which dereferences the now-freed conntrack via nfct_help(ct), leading to a use
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5ff0738ff4992a08535042f6170160d999438fd568a4a37998fc718ffa1dc362
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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/9

{"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":"d8cd0efbccc5cfb0a80da744a7da76e1333ab925","status":"affected","version":"e844a928431fa8f1359d1f4f2cef53d9b446bf52","versionType":"git"},{"lessThan":"9821b47f669eb82791fa0b1a6ebaf9aa219bea72","status":"affected","version":"e844a928431fa8f1359d1f4f2cef53d9b446bf52","versionType":"git"},{"lessThan":"bdf2724eefd4455a66863abb025bab8d3aa98c57","status":"affected","version":"e844a9284…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/affected/0

{"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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/8

{"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":"3.10"},{"lessThan":"3.10","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":"6.1.167","versionType":"sem…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/2

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/4

{"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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/6

{"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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/3

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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/9
{"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":"d8cd0efbccc5cfb0a80da744a7da76e1333ab925","status":"affected","version":"e844a928431fa8f1359d1f4f2cef53d9b446bf52","versionType":"git"},{"lessThan":"9821b47f669eb82791fa0b1a6ebaf9aa219bea72","status":"affected","version":"e844a928431fa8f1359d1f4f2cef53d9b446bf52","versionType":"git"},{"lessThan":"bdf2724eefd4455a66863abb025bab8d3aa98c57","status":"affected","version":"e844a9284…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/affected/0
{"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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/8
{"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":"3.10"},{"lessThan":"3.10","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":"6.1.167","versionType":"sem…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/2
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/4
{"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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/6
{"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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/affected/3

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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /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:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/04c8907ce4e3d3e26c5e1a3e47aa5d17082cbb56"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/5cb81eeda909dbb2def209dd10636b51549a3f8a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/9821b47f669eb82791fa0b1a6ebaf9aa219bea72"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/bdf2724eefd4455a66863abb025bab8d3aa98c57"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/cd541f15b60e2257441398cf495d978f816d09f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/d8cd0efbccc5cfb0a80da744a7da76e1333ab925"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f025171feef2ac65663d7986f1d5ff0c28d6b2a9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/f04cc86d59906513d2d62183b882966fc0ae0390"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf3fa30d3c01f6839604306c44e242b4c4b65b86142228318ce921953d60b594 · sha256:b5728e3a0981670d… · /containers/cna/references/3

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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