01 Record

CVE-2026-64135

hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.12% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 2.4% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Analyzed. NVD last modified this record on 2026-08-13.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-07-19 15:40Z1 MO AGO

Last updated

2026-07-19 15:40Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-674Uncontrolled RecursionClass
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

7ef7b8a3a5469a4d55d9e24190c5d8d978b705fd87a3997c7c8e90ea149132bd

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux15609d1893020436e1e8ccfd9ded774a96dd17a2 to < 33251abb9c9dd62943be76f0427c5527ee39188f, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < ba09f4baa5bd96c5d26c942defa546a72dbbe5bf, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < 6ed16a40b162e9d87d9ac8bed4d7f0e3e807700e, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < 0dbf64c502443c08c2e28a77ecbfcc5479d93228, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < 2b7a698d5093b548c464828d984f05ced5f3fd2a, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < ca560f7566df7e2826c2999e959e6b94eb938f76, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < 7f705e581ef3e6bb308a121a89adf5237d968204, 15609d1893020436e1e8ccfd9ded774a96dd17a2 to < eee213daa1e1b402eb631bcd1b8c5aa340a6b081, 5.10—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/33251abb9c9dd62943be76f0427c5527ee39188f
git.kernel.orghttps://git.kernel.org/stable/c/ba09f4baa5bd96c5d26c942defa546a72dbbe5bf
git.kernel.orghttps://git.kernel.org/stable/c/6ed16a40b162e9d87d9ac8bed4d7f0e3e807700e
git.kernel.orghttps://git.kernel.org/stable/c/0dbf64c502443c08c2e28a77ecbfcc5479d93228
git.kernel.orghttps://git.kernel.org/stable/c/2b7a698d5093b548c464828d984f05ced5f3fd2a
git.kernel.orghttps://git.kernel.org/stable/c/ca560f7566df7e2826c2999e959e6b94eb938f76
git.kernel.orghttps://git.kernel.org/stable/c/7f705e581ef3e6bb308a121a89adf5237d968204
git.kernel.orghttps://git.kernel.org/stable/c/eee213daa1e1b402eb631bcd1b8c5aa340a6b081

01 Record index

CVE-2026-64135

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-64135

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References