Double Free in Linux Kernel
CVE-2017-8890
The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.
Vulnerability class: Double 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: 0.014 (71.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
- Linux Kernel
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/98562 (VDB Entry, Third Party Advisory, vdb-entry)
- source.android.com/security/bulletin/2017-09-01 (Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2669 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:1854 (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/657831ffc38e30092a2d5f03d385d710eb88b09a (Patch, Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2017:2077 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2017/dsa-3886 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:1842 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-8890?
- CVE-2017-8890 is a high-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 7.8/10. Published 2017-05-10.
- How severe is CVE-2017-8890?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-8890 known to be exploited?
- 25 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.