Out-of-bounds read in Linux kernel - CVE-2026-89999
Published: September 16, 2026
Vulnerability identifier: #VU150287
CSH Severity: High
CVSS v4: 7.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89999
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information and cause a denial of service.
The vulnerability exists due to an out-of-bounds read in wacom_intuos_pro2_bt_irq in the HID Wacom driver when processing undersized Bluetooth reports. A remote attacker can send a crafted undersized Bluetooth report to disclose sensitive information and cause a denial of service.
The peripheral must be paired or spoofed and advertise a matching VID/PID.
Affected software
Linux kernel
How to mitigate CVE-2026-89999
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/0cdc6cb242dd8d2731956fdf3390de094482a4b2
- https://git.kernel.org/stable/c/114af803e409a68e52516810ecd24df4d8ce0c68
- https://git.kernel.org/stable/c/1bfc0547b81d5861443420d19b5ed2fd533cd17f
- https://git.kernel.org/stable/c/74ec08f7b81c2726578039ca6dea0fec136c38ea
- https://git.kernel.org/stable/c/84781a1f3c5dc6650480be9329e6e8528939eaa0
- https://git.kernel.org/stable/c/96dd0af7597aba2d80cc97e2f66e8b72d30ba125
- https://git.kernel.org/stable/c/a8e04f3f894ccb52cfcd7e60125a9f35da4a616d
- https://git.kernel.org/stable/c/d2844f3fcd058113acbe0aa110ab13ef28b98d9f