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CVE-2026-64086

In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus/adm1266) include PEC byte in pmbus_block_xfer read buffer adm1266_pmbus_block_xfer() sets up the read transaction with .buf = data->read_buf, .len = ADM1266_PMBUS_BLOCK_MAX + 2, but read_buf in struct adm1266_data is declared as u8 read_buf[ADM1266_PMBUS_BLOCK_MAX + 1]; For a max-length block response (length byte = 255 + up to 1 PEC byte), the i2c controller is told to write 257 bytes into a 256-byte buff
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:742999032b04e8daebeddb04919f19f5f20d2daa6312293e827725eb801b63fb
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/hwmon/pmbus/adm1266.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.10"},{"lessThan":"5.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/hwmon/pmbus/adm1266.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"397d3f523bfff2f4e3dacf9b1339bd76dc207f78","status":"affected","version":"407dc802a9c0809ca6a48de4b4c63305eb84ef56","versionType":"git"},{"lessThan":"472744f69d25a2d5111ad62f1d62579dce2c13c8","status":"affected","version":"407dc802a9c0809ca6a48de4b4c63305eb84ef56","versionType":"git"},{"lessThan":"528a9f88e88502d0c2f2052a279415074cd83715","status":"affected","version":"407dc802a9c0809c…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/hwmon/pmbus/adm1266.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.10"},{"lessThan":"5.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/hwmon/pmbus/adm1266.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"397d3f523bfff2f4e3dacf9b1339bd76dc207f78","status":"affected","version":"407dc802a9c0809ca6a48de4b4c63305eb84ef56","versionType":"git"},{"lessThan":"472744f69d25a2d5111ad62f1d62579dce2c13c8","status":"affected","version":"407dc802a9c0809ca6a48de4b4c63305eb84ef56","versionType":"git"},{"lessThan":"528a9f88e88502d0c2f2052a279415074cd83715","status":"affected","version":"407dc802a9c0809c…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/affected/0

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:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/2279c342d94eca225bf9f301c8806a05a1c81619"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/397d3f523bfff2f4e3dacf9b1339bd76dc207f78"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/472744f69d25a2d5111ad62f1d62579dce2c13c8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/487566cb1ccdf3756fdd7bf8d875e612ff3169bb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/528a9f88e88502d0c2f2052a279415074cd83715"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a6c802145a8de0830bca803c6d415f7e9e683624"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/bd5be3fa5de6dbf61f1b3cec6b79c2c2f8065694"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/d94ceb16e55b6d8019ab069e357c76ac42f0ffbc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2443042ce380a690ccac90be1223192b2afc25c4a01940d538226135a1796470 · sha256:f7999a7cb1d7b5b4… · /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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