In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix null dereference in find_network The variable pwlan has the possibility of being NULL when passed into rtw_free_network_nolock() which would later dereference the variable.

References

• https://git.kernel.org/stable/c/04d24a3654ed195485bc6346a9ef326fc494a34e
• https://git.kernel.org/stable/c/1aa9c59f4b96a9056c02476c7ca89e96d15e0645
• https://git.kernel.org/stable/c/3b1d0c9a1f78836d0bce6fdd37f596f22c19b03e
• https://git.kernel.org/stable/c/41460a19654c32d39fd0e3a3671cd8d4b7b8479f
• https://git.kernel.org/stable/c/48b4dec3a8bfd667cd0cd767eaf511176193e9a1
• https://git.kernel.org/stable/c/677490a6bd4c63acdf6f48e4aaf6a23d7e6a446f
• https://git.kernel.org/stable/c/7fa16ffed2b9d9d44940990c1f31159770769aeb
• https://git.kernel.org/stable/c/cc3f83b6fb3773ad943365d1cd774b4ec050332e