CVE-2026-93272

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux65991ea8a6d1e68effdc01d95ebe39f1653f7b71 < bce6b48af3abf7468d12ef4933f21bd8c1d822e9affected
LinuxLinux65991ea8a6d1e68effdc01d95ebe39f1653f7b71 < 3dbc90b9c22ea96e37bf55f6011e63b5123ec668affected
LinuxLinux654c295f9079d2c7875172142022168e34c4e34eaffected
LinuxLinux8d0d4c11cace475f1b07f98ee3d2bd334590e17baffected
LinuxLinuxfef1e1487dea81c2b4560e393ba4b0be57e28d01affected
LinuxLinux69bb5b3ae348040e385113efba5bdc76396644d0affected
LinuxLinux04a89c98810d2dba8187120c07fdb732aa40ca14affected
LinuxLinux5.15.185 < 5.16affected
LinuxLinux6.1.141 < 6.2affected
LinuxLinux6.6.93 < 6.7affected
LinuxLinux6.12.31 < 6.13affected
LinuxLinux6.14.9 < 6.15affected
LinuxLinux6.15affected
LinuxLinux0 < 6.15unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References