CVE-2025-21846: acct: perform last write from workqueue
acct: perform last write from workqueue
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.82.1-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 5.15.179.1-1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21846?
CVE-2025-21846 is classified as a high-severity vulnerability due to the potential for NULL dereference leading to application crashes.
What systems are affected by CVE-2025-21846?
CVE-2025-21846 affects the Linux kernel, specifically installations that utilize the acct(2) system call.
How do I fix CVE-2025-21846?
To fix CVE-2025-21846, you should update your Linux kernel to the latest stable version that addresses this vulnerability.
What risks does CVE-2025-21846 pose to my system?
CVE-2025-21846 poses risks of system instability and potential denial of service due to application crashes linked to the NULL dereference.
Has CVE-2025-21846 been mitigated?
Yes, CVE-2025-21846 has been resolved in recent Linux kernel updates, addressing the identified vulnerability.