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CVE-2026-23447

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdc_ncm_rx_verify_ndp32(). The DPE array size is validated against the total skb length without accounting for ndpoffset, allowing out-of-bounds reads when the NDP32 is placed near the end of the NTB. Add ndpoffset to the nframes bounds check and use struct_size_t() to express the NDP-p
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8637b2c8c7ea056ce5b02e9d75a04b6d8fc40dd1a25182cf2f625f52655f0429
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/usb/cdc_ncm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/usb/cdc_ncm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"125f932a76a97904ef8a555f1dd53e5d0e288c54","status":"affected","version":"0fa81b304a7973a499f844176ca031109487dd31","versionType":"git"},{"lessThan":"af0d1613d6751489dbf9f69aac1123f0b1e566e5","status":"affected","version":"0fa81b304a7973a499f844176ca031109487dd31","versionType":"git"},{"lessThan":"a5bd5a2710310c965ea4153cba4210988a3454e2","status":"affected","version":"0fa81b304a7973a499f8…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/usb/cdc_ncm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/usb/cdc_ncm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"125f932a76a97904ef8a555f1dd53e5d0e288c54","status":"affected","version":"0fa81b304a7973a499f844176ca031109487dd31","versionType":"git"},{"lessThan":"af0d1613d6751489dbf9f69aac1123f0b1e566e5","status":"affected","version":"0fa81b304a7973a499f844176ca031109487dd31","versionType":"git"},{"lessThan":"a5bd5a2710310c965ea4153cba4210988a3454e2","status":"affected","version":"0fa81b304a7973a499f8…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/affected/0

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/125f932a76a97904ef8a555f1dd53e5d0e288c54"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/77914255155e68a20aa41175edeecf8121dac391"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/a5bd5a2710310c965ea4153cba4210988a3454e2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/af0d1613d6751489dbf9f69aac1123f0b1e566e5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/de70da1fb1d152e981ecb3157f7ec2b633005c16"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:730b51f51e65e6685c85dc7eb63f2a33a94e2aa6c9b96db0b232337ad72666e0 · sha256:deb1e7d77596625c… · /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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