CVE-2024-39493: crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak
crypto: qat - Fix ADFDEVRESETSYNC memory leak
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.94-1 - Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.9.7-1 - 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 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1 - Compensating control
Change the caller to use cancel_work_sync before freeing the ADF_DEV_RESET_SYNC-related memory, ensuring the work has completed and preventing a use-after-free.
Event History
Frequently Asked Questions
What is the severity of CVE-2024-39493?
CVE-2024-39493 has been categorized as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-39493?
To fix CVE-2024-39493, update to the latest Linux kernel versions available, such as 5.10.223-1 or 6.1.123-1.
What versions of the Linux kernel are affected by CVE-2024-39493?
Versions of the Linux kernel from 4.19.312 up to 4.19.316, 5.4.274 up to 5.4.278, 5.10.215 up to 5.10.219, and other specified ranges are affected by CVE-2024-39493.
What is the potential impact of exploiting CVE-2024-39493?
Exploiting CVE-2024-39493 could lead to a memory leak in the kernel's crypto subsystem.
Who is affected by CVE-2024-39493?
Any users running the affected versions of the Linux kernel in environments utilizing the crypto subsystem are at risk from CVE-2024-39493.