kernel: ACPI: extlog: fix NULL pointer dereference check

REJECTED CVE A NULL pointer dereference issue was identified in the Linux kernel within the ACPI subsystem's extlog module. In the extlogexit function, the extlogl1addr pointer was dereferenced before verifying if it was NULL, potentially causing system instability or crashes during the cleanup...

kernel: ACPI: extlog: fix NULL pointer dereference check

REJECTED CVE A NULL pointer dereference issue was identified in the Linux kernel within the ACPI subsystem's extlog module. In the extlogexit function, the extlogl1addr pointer was dereferenced before verifying if it was NULL, potentially causing system instability or crashes during the cleanup...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: ACPI: extlog: fix NULL pointer dereference check The gcc plugin -fanalyzer 1 tries to detect various patterns of incorrect behaviour. The tool reports: drivers/acpi/acpiextlog.c: In function ‘extlogexit’:...