CVE-2021-38205: Low severity Linux Linux kernel vulnerability
drivers/net/ethernet/xilinx/xilinxemaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
Linux kernel (drivers/net/ethernet/xilinx/xilinx_emaclite.c)to a version that resolves this vulnerability.Fixed in 5.13.3
Event History
Frequently Asked Questions
What is the severity of CVE-2021-38205?
CVE-2021-38205 is considered a medium severity vulnerability due to its potential to assist attackers in defeating ASLR protections.
How do I fix CVE-2021-38205?
To fix CVE-2021-38205, update your Linux kernel to version 5.13.3 or later, or apply the specific patches provided by your distribution.
What systems are affected by CVE-2021-38205?
CVE-2021-38205 affects Linux kernel versions prior to 5.13.3 and specific versions of Debian Linux, including Debian 9.0.
What consequences can arise from exploiting CVE-2021-38205?
Exploiting CVE-2021-38205 can lead to information disclosure that compromises kernel memory integrity and undermines ASLR protections.
Is there a known exploit for CVE-2021-38205?
As of now, there are no known public exploits specifically targeting CVE-2021-38205, but the vulnerability poses a risk if left unpatched.