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CVE-2026-43291

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Fix parameter validation for packet data Since commit 9c328f54741b ("net: nfc: nci: Add parameter validation for packet data") communication with nci nfc chips is not working any more. The mentioned commit tries to fix access of uninitialized data, but failed to understand that in some cases the data packet is of variable length and can therefore not be compared to the maximum packet length given by the sizeof(
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c2337c7dfbdb004e7b7817f11d407a7baed3305475af9356d4f1c16ae8e15e77
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":["net/nfc/nci/ntf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/nfc/nci/ntf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a24a8a582da4426b2042e510a1080df84083b51d","status":"affected","version":"8fcc7315a10a84264e55bb65ede10f0af20a983f","versionType":"git"},{"lessThan":"f5218426f765eee22e178df9c126d974792fb6a5","status":"affected","version":"bfdda0123dde406dbff62e7e9136037e97998a15","versionType":"git"},{"lessThan":"ad058a4317db7fdb3f09caa6ed536d24a62ce6a0","status":"affected","version":"0ba68bea1e356f466ad29449938b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/nfc/nci/ntf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/nfc/nci/ntf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a24a8a582da4426b2042e510a1080df84083b51d","status":"affected","version":"8fcc7315a10a84264e55bb65ede10f0af20a983f","versionType":"git"},{"lessThan":"f5218426f765eee22e178df9c126d974792fb6a5","status":"affected","version":"bfdda0123dde406dbff62e7e9136037e97998a15","versionType":"git"},{"lessThan":"ad058a4317db7fdb3f09caa6ed536d24a62ce6a0","status":"affected","version":"0ba68bea1e356f466ad29449938b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/3b91160e9a91b5a2662875417dc42dc5b0bf03ea"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/498fc5d0d650c77e87fcc73808d4f43240c21805"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/571dcbeb8e635182bb825ae758399831805693c2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/a24a8a582da4426b2042e510a1080df84083b51d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ad058a4317db7fdb3f09caa6ed536d24a62ce6a0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/c692db813a7e3b7c3c17d6e9a3ad2a018bf1142b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/f5218426f765eee22e178df9c126d974792fb6a5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2f679b234d813de918474b760da9f3e8313a45531745c1c5f7e2ca0a677c7a8a · sha256:cac1fd3f60027332… · /containers/cna/references/1

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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