CVE-2022-50023

Summary

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

dmaengine: dw-axi-dmac: ignore interrupt if no descriptor

If the channel has no descriptor and the interrupt is raised then the kernel will OOPS. Check the result of vchan_next_desc() in the handler axi_chan_block_xfer_complete() to avoid the error happening.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1fe20f1b84548bbcf48b6659ea171cd46618ea3a < 54aa6c49361b79f7f6b15fc63dfe9ea52c70bb03affected
LinuxLinux1fe20f1b84548bbcf48b6659ea171cd46618ea3a < 3d05aeebbde8c69593d8aa512b7c08b8f0ad25baaffected
LinuxLinux1fe20f1b84548bbcf48b6659ea171cd46618ea3a < 820f5ce999d2f99961e88c16d65cd26764df0590affected
LinuxLinux4.17affected
LinuxLinux0 < 4.17unaffected
LinuxLinux5.15.63 <= 5.15.*unaffected
LinuxLinux5.19.4 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

References