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Description

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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-01 | Updated 2026-05-02 | Assigner Linux

Product status

Default status
unaffected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before d0ae84b3c9f3ea1a564eb1b7612113ca9fe8aada
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before 5b5b9730111808410e404ceac2fabd32eef92fbd
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before fa8901cb1f0b2113a342db93bd5684b59fe99dcf
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before 8bd690ac1242332c73cba10dacdad6c6642bbb94
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before 41026bcc0fdf82605205c27935ef719cbc07193b
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before c8dc23c97680eebefde06da5858aaef1b37cf75d
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before 3d78386b144453c47e81bf62dc3601b757f02d99
affected

78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a (git) before 2f1763f62909ccb6386ac50350fa0abbf5bb16a9
affected

Default status
affected

3.3
affected

Any version before 3.3
unaffected

5.10.253 (semver)
unaffected

5.15.203 (semver)
unaffected

6.1.168 (semver)
unaffected

6.6.134 (semver)
unaffected

6.12.81 (semver)
unaffected

6.18.22 (semver)
unaffected

6.19.12 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/d0ae84b3c9f3ea1a564eb1b7612113ca9fe8aada

git.kernel.org/...c/5b5b9730111808410e404ceac2fabd32eef92fbd

git.kernel.org/...c/fa8901cb1f0b2113a342db93bd5684b59fe99dcf

git.kernel.org/...c/8bd690ac1242332c73cba10dacdad6c6642bbb94

git.kernel.org/...c/41026bcc0fdf82605205c27935ef719cbc07193b

git.kernel.org/...c/c8dc23c97680eebefde06da5858aaef1b37cf75d

git.kernel.org/...c/3d78386b144453c47e81bf62dc3601b757f02d99

git.kernel.org/...c/2f1763f62909ccb6386ac50350fa0abbf5bb16a9

cve.org (CVE-2026-43051)

nvd.nist.gov (CVE-2026-43051)

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