CVE-2026-93272
Description
In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3 The changes introduced to handle single power domain platforms have swapped the info pointer increment from num_pd_vregs to num_pds, which would shift the info pointer past the end of the array for pronto-v3, which does not list power domain regulators in vregs. This showed up as a difference between GCC- and LLVM-compiled kernels on SDM632 devices, where only with LLVM one would get the "regulator request with no identifier" error, because the out-of-bounds memory ended up being zeroed. Fix by skipping the increment when there are more power domains than regulators.
How to fix
- Linux Linuxd5deaa0b6d91b1063055415fc53f75c40c2a077d, 7abab59d6c99ba2b8101d6f44ad25159b1510724, e572cbb513cde53d90fb4729cad75056cd647ce3, 2e7e39bb81913feaac463b7add46bafdca06fbde, bce6b48af3abf7468d12ef4933f21bd8c1d822e9, 3dbc90b9c22ea96e37bf55f6011e63b5123ec668, 6.1.191, 6.6.160, 6.12.114, 5.16, 6.15 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 8d0d4c11cace475f1b07f98ee3d2bd334590e17b ≤ v < d5deaa0b6d91b1063055415fc53f75c40c2a077d, fef1e1487dea81c2b4560e393ba4b0be57e28d01 ≤ v < 7abab59d6c99ba2b8101d6f44ad25159b1510724, 69bb5b3ae348040e385113efba5bdc76396644d0 ≤ v < e572cbb513cde53d90fb4729cad75056cd647ce3, 65991ea8a6d1e68effdc01d95ebe39f1653f7b71 ≤ v < 2e7e39bb81913feaac463b7add46bafdca06fbde, 65991ea8a6d1e68effdc01d95ebe39f1653f7b71 ≤ v < bce6b48af3abf7468d12ef4933f21bd8c1d822e9, 65991ea8a6d1e68effdc01d95ebe39f1653f7b71 ≤ v < 3dbc90b9c22ea96e37bf55f6011e63b5123ec668, 654c295f9079d2c7875172142022168e34c4e34e, 04a89c98810d2dba8187120c07fdb732aa40ca14, 6.1.141 ≤ v < 6.1.191, 6.6.93 ≤ v < 6.6.160, 6.12.31 ≤ v < 6.12.114, 5.15.185 ≤ v < 5.16, 6.14.9 ≤ v < 6.15, 6.15 | d5deaa0b6d91b1063055415fc53f75c40c2a077d, 7abab59d6c99ba2b8101d6f44ad25159b1510724, e572cbb513cde53d90fb4729cad75056cd647ce3, 2e7e39bb81913feaac463b7add46bafdca06fbde, bce6b48af3abf7468d12ef4933f21bd8c1d822e9, 3dbc90b9c22ea96e37bf55f6011e63b5123ec668, 6.1.191, 6.6.160, 6.12.114, 5.16, 6.15 |
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