Intel on Tuesday released six new security advisories to inform customers about the availability of firmware and software updates that address a total of 15 vulnerabilities across several products.
Two of the advisories have been assigned a high severity rating. One of them describes a vulnerability affecting some Intel NUC 9 Extreme laptop kits that can be exploited by an authenticated attacker to escalate privileges. The flaw (CVE-2021-0196) is caused by improper access control issues in the kernel mode driver.
Another high-severity advisory describes three vulnerabilities affecting Intel Ethernet controller X722 and 800 series Linux drivers. The most serious of the flaws, CVE-2021-0084, can be exploited by an authenticated attacker to escalate privileges.
[ Related: Inside Intel’s Hardware-Enabled Threat Detection Push ]
The other two flaws, rated medium and low severity, can lead to information disclosure and denial of service (DoS) — they both require local access for exploitation.
The remaining advisories cover medium-severity issues, including a privilege escalation bug in NUC Pro Chassis Element AverMedia Capture Card drivers, a DoS vulnerability in Optane Persistent Memory (PMem), DoS and privilege escalation flaws in graphics drivers, and several DoS vulnerabilities in 800 series network adapters and controllers.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday advised users and administrators to review the patches from Intel and take action as necessary.
Related: Intel Patches Tens of Vulnerabilities in Software, Hardware Products
Related: Intel Releases 29 Advisories to Describe 73 Vulnerabilities Affecting Its Products
Related: Intel Releases Firmware Updates to Patch Critical Vulnerability in AMT, ISM
Eduard Kovacs (@EduardKovacs) is a contributing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.
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