Vulnerability Description
An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.6.10 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7fPatchVendor Advisory
- https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc6PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lore.kernel.org/linux-xfs/20200221153803.GP9506%40magnolia/
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://usn.ubuntu.com/4465-1/
- https://usn.ubuntu.com/4483-1/
- https://usn.ubuntu.com/4485-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
FAQ
What is CVE-2020-12655?
CVE-2020-12655 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata,...
How severe is CVE-2020-12655?
CVE-2020-12655 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-2020-12655?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.