Double Free in Linux Kernel
CVE-2017-6074
The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt 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: 0.060 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000
Affected products
- Linux Kernel
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2017-0323.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0324.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0365.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0347.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:1209 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/02/22/3 (mailing-list, Mailing List, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0501.html (vendor-advisory, Third Party Advisory)
- source.android.com/security/bulletin/2017-07-01 (Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:0932 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-6074?
- CVE-2017-6074 is a high-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 7.8/10. Published 2017-02-18.
- How severe is CVE-2017-6074?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-6074 known to be exploited?
- 88 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.