CVE-2017-8824

HIGH
7.8
CVSS Score
Published: December 5, 2017 at 09:00 AM UTC
Updated: June 17, 2026 at 01:27 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux kernel through 4.14.3 by N/A?

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

Description

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.14 ≤ v < 3.2.973.17 ≤ v < 3.18.953.19 ≤ v < 4.1.503.3 ≤ v < 3.16.524.10 ≤ v < 4.14.204.2 ≤ v < 4.4.1164.5 ≤ v < 4.9.82
Affected range stops below 3.16.52, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.95, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.97, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.50, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.14.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.116, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.82, so it looks safe — our inference, not a vendor statement

References (24)

x_refsource_MISCThird Party Advisory
http://lists.openwall.net/netdev/2017/12/04/224
x_refsource_MISCMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/12/05/1
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/102056
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:0399
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:0676
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:1062
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:1130

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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