Vulnerability in Linux Kernel
CVE-2017-10663
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/100215 (VDB Entry, Third Party Advisory, vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82a (Patch, Third Party Advisory)
- source.android.com/security/bulletin/2017-08-01 (Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-10663?
- CVE-2017-10663 is a high-severity vulnerability in Linux Kernel, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2017-08-19.
- How severe is CVE-2017-10663?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-10663 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.