PT-2017-2770 · Linux+2 · Linux Kernel+2

Tong Lin + 2 · Published 2017-05-02 · Updated 2023-01-17 · CVE-2017-10662

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.11.1

Description The issue is related to the sanity check raw super function in the Linux kernel, which does not properly validate the segment count. This allows local users to gain privileges via unspecified vectors. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

Recommendations For Linux kernel versions prior to 4.11.1, update to version 4.11.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the sanity check raw super function until a patch is available.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2017-1617

ALT-PU-2017-1623

BDU:2017-02026

CVE-2017-10662

USN-3470-1

USN-3470-2

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 34

• https://github.com/torvalds/linux/commit/b9dd46188edc2f0d1f37328637860bb65a771124 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-10662 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-14340 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124 · Patch
• https://bdu.fstec.ru/vul/2017-02026 · Security Note
• https://ubuntu.com/security/CVE-2017-10663 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-10911 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-11176 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-8632 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-10662 · Security Note
• https://ubuntu.com/security/CVE-2017-10661 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3470-2 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-10662 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-10662 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1481146 · Patch