Vulnerability in Linux Kernel
CVE-2020-12655
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/
- github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62 (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20200608-0001/
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00019.html (mailing-list)
- usn.ubuntu.com/4465-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2020-12655?
- CVE-2020-12655 is a medium-severity vulnerability in Linux Kernel, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2020-05-05.
- How severe is CVE-2020-12655?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-12655 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.