Use After Free in Linux Kernel
CVE-2017-18218
In drivers/net/ethernet/hisilicon/hns/hns_enet.c in the Linux kernel before 4.13, local users can cause a denial of service (use-after-free and BUG) or possibly have unspecified other impact by leveraging differences in skb handling between hns_nic_net_xmit_hw and hns_nic_net_xmit.
Vulnerability class: Use-After-Free
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 (29.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.5% 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
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- www.securityfocus.com/bid/103277 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2018/dsa-4188 (vendor-advisory, Third Party Advisory)
- github.com/torvalds/linux/commit/27463ad99f738ed93c7c8b3e2e5bc8c4853a2ff2 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-18218?
- CVE-2017-18218 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2018-03-05.
- How severe is CVE-2017-18218?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-18218 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.