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CVE-2026-23449

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teql_master_xmit Whenever a TEQL devices has a lockless Qdisc as root, qdisc_reset should be called using the seq_lock to avoid racing with the datapath. Failure to do so may cause crashes like the following: [ 238.028993][ T318] BUG: KASAN: double-free in skb_release_data (net/core/skbuff.c:1139) [ 238.029328][ T318] Free of addr ffff88810c67ec00 by task poc_teql_uaf_ke/318 [ 238.0297
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b5bc5efadfc9d9c364929bf10e87547bdd6f90a51a8675adf653b9a3585a9147
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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/8

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/sch_generic.h","net/sched/sch_generic.c","net/sched/sch_teql.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4e8ebc4c18ea8213d28e6cb867d18fcc67daca21","status":"affected","version":"96009c7d500efdd5534e83b2e3eb2c58d4b137ae","versionType":"git"},{"lessThan":"21c89a0a8de7eadad8d385645a95b3233f23130e","status":"affected","version":"96009c7d500efdd5534e83b2e3eb2c58d4b137ae","versionType":"git"},{"lessThan":"afbc79a7770b230a9f24bd39271209d6b3682c5f","s…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/5

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/sch_generic.h","net/sched/sch_generic.c","net/sched/sch_teql.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.18"},{"lessThan":"4.18","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","ve…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/6

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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/0
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/8
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/sch_generic.h","net/sched/sch_generic.c","net/sched/sch_teql.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4e8ebc4c18ea8213d28e6cb867d18fcc67daca21","status":"affected","version":"96009c7d500efdd5534e83b2e3eb2c58d4b137ae","versionType":"git"},{"lessThan":"21c89a0a8de7eadad8d385645a95b3233f23130e","status":"affected","version":"96009c7d500efdd5534e83b2e3eb2c58d4b137ae","versionType":"git"},{"lessThan":"afbc79a7770b230a9f24bd39271209d6b3682c5f","s…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/5
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/sch_generic.h","net/sched/sch_generic.c","net/sched/sch_teql.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.18"},{"lessThan":"4.18","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","ve…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/affected/6

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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/cna/metrics/0/cvssV3_1

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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/21c89a0a8de7eadad8d385645a95b3233f23130e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4a233447b941db451ea5f5a0942cffd0f7f7eaae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/4e8ebc4c18ea8213d28e6cb867d18fcc67daca21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/66360460cab63c248ca5b1070a01c0c29133b960"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/afbc79a7770b230a9f24bd39271209d6b3682c5f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e9c66d3e7d8557b3308e55c613aa07254fe97611"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:91945dce701cb0d5d4dc90a8bf43b1de604fc45f590290df1904ee2ccd2807a2 · sha256:0ddcd0d6c26fb9af… · /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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