Vulnerability Description
A use-after-free flaw was found in the Linux Kernel. When a disk is removed, bdi_unregister is called to stop further write-back and waits for associated delayed work to complete. However, wb_inode_writeback_end() may schedule bandwidth estimation work after this has completed, which can result in the timer attempting to access the recently freed bdi_writeback.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.164 |
| Redhat | Enterprise Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2024:0412Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2024-0562Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2258475Issue TrackingThird Party Advisory
- https://patchwork.kernel.org/project/linux-mm/patch/20220801155034.3772543-1-khaMailing ListPatch
- https://access.redhat.com/errata/RHSA-2024:0412Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2024-0562Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2258475Issue TrackingThird Party Advisory
- https://patchwork.kernel.org/project/linux-mm/patch/20220801155034.3772543-1-khaMailing ListPatch
FAQ
What is CVE-2024-0562?
CVE-2024-0562 is a vulnerability with a CVSS score of 7.8 (HIGH). A use-after-free flaw was found in the Linux Kernel. When a disk is removed, bdi_unregister is called to stop further write-back and waits for associated delayed work to complete. However, wb_inode_wr...
How severe is CVE-2024-0562?
CVE-2024-0562 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-0562?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux.