CVE-2017-6074: debian debian_linux Double Free
Vulnerability summary
CVE-2017-6074 is a high (CVSS 7.8) Double Free vulnerability in debian debian_linux. EPSS estimates a 5.96% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities. 2 public exploits are recorded.
Public exploit (exploit-database, 26-02-2017)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 19 · Related 10Timeline
- 18-02-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
6 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.96%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.96% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundLinux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free (PoC)
Maturity: poc
Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat45 products
- kernel< 0:2.6.32-358.77.1.el6 | < 0:2.6.32-220.70.1.el6 | < 0:2.6.32-431.78.1.el6 | < 0:3.10.0-229.49.1.el7 | < 0:3.10.0-229.49.1.ael7b | < 0:3.10.0-327.49.2.el7 | < 0:2.6.32-642.13.2.el6 | < 0:3.10.0-514.6.2.el7 | < 0:2.6.32-573.40.1.el6 | < 0:2.6.32-504.57.1.el6
- kernel-abi-whitelists< 0:2.6.32-431.78.1.el6 | < 0:3.10.0-229.49.1.el7 | < 0:3.10.0-229.49.1.ael7b | < 0:3.10.0-327.49.2.el7 | < 0:2.6.32-642.13.2.el6 | < 0:3.10.0-514.6.2.el7 | < 0:2.6.32-573.40.1.el6 | < 0:2.6.32-504.57.1.el6
- kernel-bootwrapper< 0:3.10.0-229.49.1.ael7b | < 0:3.10.0-327.49.2.el7 | < 0:2.6.32-642.13.2.el6 | < 0:3.10.0-514.6.2.el7 | < 0:2.6.32-573.40.1.el6
- kernel-debug< 0:2.6.32-358.77.1.el6 | < 0:2.6.32-220.70.1.el6 | < 0:2.6.32-431.78.1.el6 | < 0:3.10.0-229.49.1.el7 | < 0:3.10.0-229.49.1.ael7b | < 0:3.10.0-327.49.2.el7 | < 0:2.6.32-642.13.2.el6 | < 0:3.10.0-514.6.2.el7 | < 0:2.6.32-573.40.1.el6 | < 0:2.6.32-504.57.1.el6
- kernel-debug-debuginfo< 0:2.6.32-358.77.1.el6 | < 0:2.6.32-220.70.1.el6 | < 0:2.6.32-431.78.1.el6 | < 0:3.10.0-229.49.1.el7 | < 0:3.10.0-229.49.1.ael7b | < 0:3.10.0-327.49.2.el7 | < 0:2.6.32-642.13.2.el6 | < 0:3.10.0-514.6.2.el7 | < 0:2.6.32-573.40.1.el6 | < 0:2.6.32-504.57.1.el6
Ubuntu7 products
- linux< 3.13.0-110.157 | < 4.4.0-64.85
- linux-aws< 4.4.0-1004.13
- linux-euclid< 4.4.0-9029.31
- linux-hwe< 4.8.0-39.42~16.04.1
- linux-lts-xenial< 4.4.0-64.85~14.04.1
Debian2 products
- linux< 4.9.13-1
- debian_linuxEOL8.0
Linux1 product
- linux_kernel< 3.2.86 | ≥ 3.3, < 3.10.106 | ≥ 3.11, < 3.12.71 | ≥ 3.13, < 3.16.41 | ≥ 3.17, < 3.18.49 | ≥ 3.19, < 4.1.41 | ≥ 4.2, < 4.4.52 | ≥ 4.5, < 4.9.13
4 vendors · 55 products
References
67 links- www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlX Refsource CONFIRMPatchThird Party Advisory
- access.redhat.com/errata/RHSA-2017:1209Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
Show all 67 references
- github.com/torvalds/linux/commit/5edabca9d4cff7f1f2b68f0bac55ef99d9798ba4X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- git.kernel.org/cgit/…REPORT