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CVE-2026-31625 HID: alps: fix NULL pointer dereference in alps_raw_event()
Description
In the Linux kernel, the following vulnerability has been resolved: HID: alps: fix NULL pointer dereference in alps_raw_event() Commit ecfa6f34492c ("HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them") attempted to fix up the HID drivers that had missed the previous fix that was done in 2ff5baa9b527 ("HID: appleir: Fix potential NULL dereference at raw event handle"), but the alps driver was missed. Fix this up by properly checking in the hid-alps driver that it had been claimed correctly before attempting to process the raw event.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.1 | earliest → < 7.1 | 7.1 |
| Linux 7.0 | earliest → < 7.0.1 | 7.0.1 |
| Linux 6.19 | earliest → < 6.19.14 | 6.19.14 |
| Linux 6.18 | earliest → < 6.18.24 | 6.18.24 |
| Linux 6.12 | earliest → < 6.12.83 | 6.12.83 |
| Linux 6.6 | earliest → < 6.6.136 | 6.6.136 |
| Linux 6.1 | earliest → < 6.1.175 | 6.1.175 |
| Linux 5.15 | earliest → < 5.15.209 | 5.15.209 |
| Linux 5.10 | earliest → < 5.10.258 | 5.10.258 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Linux | 4.15 | No fix stated |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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