CVE-2026-98155
Description
In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Address potential out-of-bounds read in resp_worker() Although 'commit 2feec5ae5df7 ("accel/qaic: Handle DBC deactivation if the owner went away")' fixes the scenario it was intended for by walking the message and only decoding QAIC_TRANS_DEACTIVATE_FROM_DEV, if present, it skipped over the bounds checking code that is included in decode_message(). This could lead to issues such as reading past the slab allocation's end, infinite loops or kernel panics. For those issues to happen, a malformed wire message is needed to be sent from the device. Instead of duplicating the bounds checking code already present in decode_message(), use the function inside resp_worker().
How to fix
- linux linux_kernel6.6.158, 6.12.111, 6.18.53, 6.20 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.6.134 ≤ v < 6.6.158, 6.12.81 ≤ v < 6.12.111, 6.18.22 ≤ v < 6.18.53, 6.19.12 ≤ v < 6.20, 7.0 | 6.6.158, 6.12.111, 6.18.53, 6.20 |
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