CVE-2026-43051 (GCVE-0-2026-43051)

Vulnerability from cvelistv5 – Published: 2026-05-01 14:15 – Updated: 2026-05-11 22:16
VLAI
Title
HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq The wacom_intuos_bt_irq() function processes Bluetooth HID reports without sufficient bounds checking. A maliciously crafted short report can trigger an out-of-bounds read when copying data into the wacom structure. Specifically, report 0x03 requires at least 22 bytes to safely read the processed data and battery status, while report 0x04 (which falls through to 0x03) requires 32 bytes. Add explicit length checks for these report IDs and log a warning if a short report is received.
Severity
8.1 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < d0ae84b3c9f3ea1a564eb1b7612113ca9fe8aada (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < 5b5b9730111808410e404ceac2fabd32eef92fbd (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < fa8901cb1f0b2113a342db93bd5684b59fe99dcf (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < 8bd690ac1242332c73cba10dacdad6c6642bbb94 (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < 41026bcc0fdf82605205c27935ef719cbc07193b (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < c8dc23c97680eebefde06da5858aaef1b37cf75d (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < 3d78386b144453c47e81bf62dc3601b757f02d99 (git)
Affected: 78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a , < 2f1763f62909ccb6386ac50350fa0abbf5bb16a9 (git)
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Linux Linux Affected: 3.3
Unaffected: 0 , < 3.3 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.168 , ≤ 6.1.* (semver)
Unaffected: 6.6.134 , ≤ 6.6.* (semver)
Unaffected: 6.12.81 , ≤ 6.12.* (semver)
Unaffected: 6.18.22 , ≤ 6.18.* (semver)
Unaffected: 6.19.12 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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Detection rules are retrieved from Rulezet.