In the Linux kernel, the following vulnerability has been resolved:
crypto: cavium/cpt - fix DMA cleanup using wrong loop index
The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one.
References
- https://git.kernel.org/stable/c/23c6174e48f66fc10b998b0acdb406cb0caf5c80
- https://git.kernel.org/stable/c/23d3a7e896a1fe2d7a6bcb42f093948b79f8a198
- https://git.kernel.org/stable/c/28141f95ae93b18f9bfde953cb787fcb151fb9da
- https://git.kernel.org/stable/c/3b8a1e1f4e4071a62b20374028744e8cc8310d48
- https://git.kernel.org/stable/c/8afd1007ef79898a6e010eaade97097e49405fce
- https://git.kernel.org/stable/c/9dbf173bd32d5f81b005008b682bfb50aa093455
- https://git.kernel.org/stable/c/d319b83b97b3585550d9ae592dfa78c755b6129e
- https://git.kernel.org/stable/c/fb4d57b83356d4bd411b45ede3024e0ff42c9b5e