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CVE-2026-23438

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: guard flow control update with global_tx_fc in buffer switching mvpp2_bm_switch_buffers() unconditionally calls mvpp2_bm_pool_update_priv_fc() when switching between per-cpu and shared buffer pool modes. This function programs CM3 flow control registers via mvpp2_cm3_read()/mvpp2_cm3_write(), which dereference priv->cm3_base without any NULL check. When the CM3 SRAM resource is not present in the device tree (the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b9be71f4946d884cecb2a504cda302ca4f557d398c54505ea65d69d85ec276f2
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":"affected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionT…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/9

{"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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/8

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/4

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0cfcd31f98fc608dc9406bff3fee3a9dd364d014","status":"affected","version":"3a616b92a9d17448d96a33bf58e69f01457fd43a","versionType":"git"},{"lessThan":"da089f74a993f846685067b14158cb41b879ff29","status":"affected","version":"3a616b92a9d17448d96a33bf58e69f01457fd43a","versionType":"git"},{"lessThan":"ff0c54f088f7ab91dbbf47cf8244460f99122750","status":"affected","version"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/7

{"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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/1

Affected products and versions

12 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionT…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/9
{"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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/8
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/4
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0cfcd31f98fc608dc9406bff3fee3a9dd364d014","status":"affected","version":"3a616b92a9d17448d96a33bf58e69f01457fd43a","versionType":"git"},{"lessThan":"da089f74a993f846685067b14158cb41b879ff29","status":"affected","version":"3a616b92a9d17448d96a33bf58e69f01457fd43a","versionType":"git"},{"lessThan":"ff0c54f088f7ab91dbbf47cf8244460f99122750","status":"affected","version"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/7
{"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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/affected/1

Source references

9 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /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:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/0cfcd31f98fc608dc9406bff3fee3a9dd364d014"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/7bd20f4b3ef3044dc55acd5b8ef748a70d29d03f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/7df2b50cae1a76cbb90b294f3edb61e3e10bf2e9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/8a63baadf08453f66eb582fdb6dd234f72024723"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/8baced53a35fc9710f80d6ca016a2c418dc3231f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/da089f74a993f846685067b14158cb41b879ff29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ff0c54f088f7ab91dbbf47cf8244460f99122750"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:60b825f148a45cc1937d4e7e70ed1c3d839a9ac8957d26fbfcecd36571418916 · sha256:4a616f6af39d035a… · /containers/cna/references/2

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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