CVE-2022-42703: Use After Free
Last updated 25 April 2025
Other sources
mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anonvma double reuse.
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/Linux kernelto a version that resolves this vulnerability.Fixed in 6.0 - 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 kernelto a version that resolves this vulnerability.Fixed in 5.19.7
Event History
Frequently Asked Questions
What is the severity of CVE-2022-42703?
CVE-2022-42703 is classified as a high-severity vulnerability due to the potential for exploitation via use-after-free conditions.
How do I fix CVE-2022-42703?
To fix CVE-2022-42703, update your Linux kernel to version 5.19.7 or later.
Which versions of the Linux kernel are affected by CVE-2022-42703?
CVE-2022-42703 affects Linux kernel versions prior to 5.19.7.
Is CVE-2022-42703 related to any specific operating systems?
This vulnerability impacts the Linux kernel and products based on it, including some versions of Android.
What type of vulnerability is CVE-2022-42703?
CVE-2022-42703 is a use-after-free vulnerability, which can lead to memory corruption and potential system compromise.