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Change History

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

s390/dasd: Fix invalid dereferencing of indirect CCW data pointer

Fix invalid dereferencing of indirect CCW data pointer in
dasd_eckd_dump_sense() that leads to a kernel panic in error cases.

When using indirect addressing for DASD CCWs (IDAW) the CCW CDA pointer
does not contain the data address itself but a pointer to the IDAL.
This needs to be translated from physical to virtual as well before
using it.

This dereferencing

kernel.org https://git.kernel.org/stable/c/b3a58f3b90f564f42a5c35778d8c5107b2c2150b [No types assigned]

kernel.org https://git.kernel.org/stable/c/c116475f7d6410b1e6d399207ac75de6cf9c3652 [No types assigned]