UBUNTU-CVE-2022-48795

In the Linux kernel, the following vulnerability has been resolved: parisc: Fix data TLB miss in sbaunmapsg Rolf Eike Beer reported the following bug: 1274934.746891 Bad Address null pointer deref?: Code=15 Data TLB miss fault at addr 0000004140000018 1274934.746891 CPU: 3 PID: 5549 Comm: cmake N...

CVE-2022-48795

CVE-2022-48795 maps to a PA-RISC Linux kernel issue: overrunning sglist in sba_unmap_sg caused a Data TLB miss and null-pointer dereference, leading to a kernel panic. The root cause was testing sg_dma_len(sglist) before confirming remaining entries (nents), which could cross a page boundary and ...