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CVE-2026-64255

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers Three BA session handlers use ffs(ba_data->sta_mask) - 1 to derive a station ID without checking that sta_mask is non-zero. When sta_mask is zero, ffs() returns 0 and the subtraction wraps to 0xFFFFFFFF, causing an out-of-bounds access on fw_id_to_link_sta[]. Add WARN_ON_ONCE(!ba_data->sta_mask) guards before each ffs() call, consistent with the existin
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:11fa900481aa379e71dd4e2bddb9ed634820f093c815d4f1b49ad21032252418
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/wireless/intel/iwlwifi/mld/agg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.38","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"origin…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/intel/iwlwifi/mld/agg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1de92789ce31e46fa7e7d8e89c90b19cdb1c103b","status":"affected","version":"9aa3856d9b6f3f8bf085b5bbb5f3703578bf452b","versionType":"git"},{"lessThan":"fe7f339f63c9dc4ca546ed7ac38ba4bb3a99dcfc","status":"affected","version":"9aa3856d9b6f3f8bf085b5bbb5f3703578bf452b","versionType":"git"},{"lessThan":"f056fc2b927448d37eca6b6cacc3d1b0f67b20d2","status":"affected","version":"9…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/intel/iwlwifi/mld/agg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.38","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"origin…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/intel/iwlwifi/mld/agg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1de92789ce31e46fa7e7d8e89c90b19cdb1c103b","status":"affected","version":"9aa3856d9b6f3f8bf085b5bbb5f3703578bf452b","versionType":"git"},{"lessThan":"fe7f339f63c9dc4ca546ed7ac38ba4bb3a99dcfc","status":"affected","version":"9aa3856d9b6f3f8bf085b5bbb5f3703578bf452b","versionType":"git"},{"lessThan":"f056fc2b927448d37eca6b6cacc3d1b0f67b20d2","status":"affected","version":"9…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/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:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/1de92789ce31e46fa7e7d8e89c90b19cdb1c103b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f056fc2b927448d37eca6b6cacc3d1b0f67b20d2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/fe7f339f63c9dc4ca546ed7ac38ba4bb3a99dcfc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3847b10fc6d2de6a07418af58fffbdcd102895df9b08ca309034fa9d69f3d698 · sha256:0f8489aee6d1c06e… · /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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