CVE-2023-53479

In the Linux kernel, the following vulnerability has been resolved: cxl/acpi: Fix a use-after-free in cxlparsecfmws KASAN and KFENCE detected an user-after-free in the CXL driver. This happens in the cxldecoderadd fail path. KASAN prints the following error: BUG: KASAN: slab-use-after-free in...

CVE-2023-53479 cxl/acpi: Fix a use-after-free in cxl_parse_cfmws()

In the Linux kernel, the following vulnerability has been resolved: cxl/acpi: Fix a use-after-free in cxlparsecfmws KASAN and KFENCE detected an user-after-free in the CXL driver. This happens in the cxldecoderadd fail path. KASAN prints the following error: BUG: KASAN: slab-use-after-free in...

CVE-2023-53479

In CVE-2023-53479, the Linux kernel cxl driver had a use-after-free in cxl_parse_cfmws() during cxl_decoder_add() fail path. KASAN/KFENCE observed a slab-use-after-free where a released cxld was accessed in a later dev_err() path. The root cause was dereferencing freed memory; the fix replaces th...