CVE-2024-53234: erofs: handle NONHEAD !delta[1] lclusters gracefully
erofs: handle NONHEAD !delta[1] lclusters gracefully
Other sources
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— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.22-1Fixed in 6.12.25-1 - Upgrade
Upgrade
debian/linux-6.1to a version that resolves this vulnerability.Fixed in 6.1.129-1~deb11u1 - Compensating control
Update the erofs handling logic so NONHEAD lclusters with delta[1]==0 are treated as delta[1]=1 for legacy pre-1.0 mkfs images, and error out when lclusterbits > 14 for compact indexes.
Event History
Frequently Asked Questions
What is the severity of CVE-2024-53234?
CVE-2024-53234 has been classified with a moderate severity due to potential issues in handling NONHEAD lclusters.
How do I fix CVE-2024-53234?
To fix CVE-2024-53234, update to the latest version of the Linux kernel where this vulnerability has been addressed.
What does CVE-2024-53234 affect?
CVE-2024-53234 affects the Linux kernel specifically related to the processing of NONHEAD lclusters.
What are the potential risks of CVE-2024-53234?
The potential risks associated with CVE-2024-53234 include system instability and data handling issues within the affected kernel environment.
How was CVE-2024-53234 discovered?
CVE-2024-53234 was discovered through reporting by syzbot, which detected a warning in the iomap_iter_done function.