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CVE-2017-2636

HIGH
7
CVSS Score
Published: March 7, 2017 at 10:00 PM UTC
Updated: June 17, 2026 at 01:16 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
HIGH7
Exploit prediction
EPSS 1%

Description

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.

Affected

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

Debian Linux· Debiandrupal
95%
8.0
Linux Kernel· Linux
95%
2.6.31 ≤ v < 3.2.873.11 ≤ v < 3.12.723.13 ≤ v < 3.16.423.17 ≤ v < 3.18.493.19 ≤ v < 4.1.493.3 ≤ v < 3.10.1064.10 ≤ v < 4.10.34.2 ≤ v < 4.4.544.5 ≤ v < 4.9.15
Affected range stops below 3.10.106, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.12.72, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.16.42, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.49, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.87, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.49, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.10.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.54, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.15, so it looks safe — our inference, not a vendor statement

References (16)

Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2017/dsa-3804
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2017/03/07/6
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/96732
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1037963
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:0892
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:0931
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:0932

CVSS

7HIGH[email protected]
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-362CWE-415

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