CVE

CVE-2021-47138

Date: (C)2024-03-25   (M)2024-03-26

In the Linux kernel, the following vulnerability has been resolved: cxgb4: avoid accessing registers when clearing filters Hardware register having the server TID base can contain invalid values when adapter is in bad state (for example, due to AER fatal error). Reading these invalid values in the register can lead to out-of-bound memory access. So, fix by using the saved server TID base when clearing filters.

Reference:

https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7

https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf

https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710

https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0