CVE-2026-64272 PUBLISHED

Input: mms114 - fix touch indexing for MMS134S and MMS136

Assigner: Linux
Reserved: 19.07.2026 Published: 25.07.2026 Updated: 25.07.2026

In the Linux kernel, the following vulnerability has been resolved:

Input: mms114 - fix touch indexing for MMS134S and MMS136

The MMS134S and MMS136 touch controllers have an event size of 6 bytes rather than 8 bytes. When __mms114_read_reg() reads the touch data packet from the device into the touch buffer, the events are packed tightly at 6-byte intervals. However, the driver iterates through the events using standard C array indexing (touch[index]), where each element is sizeof(struct mms114_touch) (8 bytes) apart. As a result, any touch events beyond the first one are read from incorrect offsets and parsed improperly.

Fix this by explicitly calculating the byte offset for each touch event based on the device's specific event size.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 53fefdd1d3a3403d8c44e28898d1031d8763b913 to 112666835071d935fef764aab590339e97216d4a (excl.)
  • affected from 53fefdd1d3a3403d8c44e28898d1031d8763b913 to 7c00a0787af7164438bdbc97fcae9733cfc58d21 (excl.)
  • affected from 53fefdd1d3a3403d8c44e28898d1031d8763b913 to 75b12874b4172533b9efc349db328cb1a59c3981 (excl.)
  • affected from 53fefdd1d3a3403d8c44e28898d1031d8763b913 to a747c4eb02656afdbd92eea83b88e92715a23977 (excl.)
  • affected from 53fefdd1d3a3403d8c44e28898d1031d8763b913 to a6ac4e24c1a8a533bb61035184fdcc7eede4cc8d (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.13 is affected
  • unaffected from 0 to 5.13 (excl.)
  • unaffected from 6.6.145 to 6.6.* (incl.)
  • unaffected from 6.12.96 to 6.12.* (incl.)
  • unaffected from 6.18.39 to 6.18.* (incl.)
  • unaffected from 7.1.4 to 7.1.* (incl.)
  • unaffected from 7.2-rc1 to * (incl.)

References