CVE-2025-39806Out-of-bounds Read in Linux

Severity
7.1HIGHNVD
EPSS
0.0%
top 95.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 16
Latest updateApr 9

Description

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() A malicious HID device can trigger a slab out-of-bounds during mt_report_fixup() by passing in report descriptor smaller than 607 bytes. mt_report_fixup() attempts to patch byte offset 607 of the descriptor with 0x25 by first checking if byte offset 607 is 0x15 however it lacks bounds checks to verify if the descriptor is big enough before conducting this chec

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages3 packages

NVDlinux/linux_kernel5.15.1685.15.191+7
Debianlinux/linux_kernel< 6.1.153-1+2
CVEListV5linux/linux7d91a0b2151a9c3b61d44c85c8eba930eddd1dd04263e5851779f7d8ebfbc9cc7d2e9b0217adba8d+7

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

3
CVEList
HID: multitouch: fix slab out-of-bounds access in mt_report_fixup()2025-09-16
OSV
CVE-2025-39806: In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() A malicious HI2025-09-16
GHSA
GHSA-r5jq-cwp5-xxhf: In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() A malicious2025-09-16

📋Vendor Advisories

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CVE-2025-39806 — Out-of-bounds Read in Linux | cvebase