CVE-2022-1974: Use After Free
A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAPNETADMIN privilege to leak kernel information.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1
Event History
Frequently Asked Questions
What is the severity of CVE-2022-1974?
CVE-2022-1974 is considered a medium severity vulnerability due to its potential for information leakage.
How do I fix CVE-2022-1974?
To mitigate CVE-2022-1974, updated versions of affected Linux kernel packages such as 5.10.223-1 or 6.1.123-1 should be installed.
Who is affected by CVE-2022-1974?
CVE-2022-1974 affects users of the Linux kernel versions prior to the patched updates, specifically those with CAP_NET_ADMIN privilege.
What type of vulnerability is CVE-2022-1974?
CVE-2022-1974 is classified as a use-after-free vulnerability caused by a race condition in the NFC core functionality.
Can CVE-2022-1974 be exploited remotely?
CVE-2022-1974 requires local access for exploitation, making it a local privilege escalation vulnerability.