Improper input validation in Linux Kernel
CVE-2017-9242
The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% 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/98731 (VDB Entry, Third Party Advisory, vdb-entry)
- patchwork.ozlabs.org/patch/764880/ (Broken Link)
- github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a (Patch, Third Party Advisory, Issue Tracking)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2017:2077 (vendor-advisory)
- www.debian.org/security/2017/dsa-3886 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:1842 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-9242?
- CVE-2017-9242 is a medium-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-05-27.
- How severe is CVE-2017-9242?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-9242 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.