Vulnerability Description
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.13.4 |
| Netapp | Hci Bootstrap Os | - |
| Netapp | Hci Compute Node | - |
| Netapp | Hci Management Node | - |
| Netapp | Solidfire | - |
| Netapp | Element Software | - |
| Netapp | Hci Storage Node | - |
Related Weaknesses (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b095875994ExploitPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210902-0010/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b095875994ExploitPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210902-0010/Third Party Advisory
FAQ
What is CVE-2021-38203?
CVE-2021-38203 is a vulnerability with a CVSS score of 5.5 (MEDIUM). btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of fre...
How severe is CVE-2021-38203?
CVE-2021-38203 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-38203?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Hci Bootstrap Os, Netapp Hci Compute Node, Netapp Hci Management Node, Netapp Solidfire.