CVE-2022-49423 Information

Description

In the Linux kernel the following vulnerability has been resolved:

rtla: Avoid record NULL pointer dereference

Fix the following null/deref_null.cocci errors: ./tools/tracing/rtla/src/osnoise_hist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoise_top.c:650:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_hist.c:905:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_top.c:700:31-36: ERROR: record is NULL but dereferenced.

ecord\ is NULL before calling osnoise_init_trace_tool. Add a tag \out_free\ to avoid dereferring a NULL pointer.

Reference

https://git.kernel.org/stable/c/2a6b52ed72c822b5ee146a6a00ea66614fe02653 https://git.kernel.org/stable/c/b0f1c686baff74d5df10f2f46670ef4e24a75756