Lenovo releases BIOS 1.47 update for ThinkPad X13S to fix high-risk vulnerabilities such as memory corruption / information leakage
CTOnews.com, January 7-in a recent security announcement, Lenovo released a BIOS version 1.47 update (N3HET75W) for ThinkPad X13s, fixing many high-risk vulnerabilities, including memory corruption and information leaks.
The vulnerabilities disclosed by Lenovo in the security announcement include:
CVE-2022-40516
CVE-2022-40517
CVE-2022-40518
CVE-2022-40519
CVE-2022-40520
CVE-2022-4432
CVE-2022-4433
CVE-2022-4434
CVE-2022-4435
CTOnews.com learned from Lenovo's official security announcement that these vulnerabilities mainly include:
CVE-2022-40516, CVE-2022-40517, CVE-2022-40520:
Qualcomm has reported several stack-based buffer overflow vulnerabilities in Qualcomm's BIOS that allow local attackers to gain privileges, resulting in memory corruption.
CVE-2022-40518, CVE-2022-40519:
Qualcomm has reported several buffer overread vulnerabilities in Qualcomm's BIOS, which could allow highly privileged local attackers to cause information disclosure.
CVE-2022-4432, CVE-2022-4433, CVE-2022-4434, CVE-2022-4435:
Several buffer overread vulnerabilities have been reported in ThinkPad X13s BIOS that may allow for highly privileged local attackers to cause information disclosure.