SB2017032821 - Out-of-bounds read in Linux kernel

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Main Vulnerability Database SB2017032821

SB2017032821 - Out-of-bounds read in Linux kernel

Published: March 28, 2017

Security Bulletin ID SB2017032821
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-7277)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to read data or crash the application.

The vulnerability exists due to an out-of-bounds read error within the __sock_recv_timestamp() function in net/socket.c, within the EXPORT_SYMBOL(), skb_complete_tx_timestamp() and __skb_tstamp_tx() functions in net/core/skbuff.c. A local user can read data or crash the application.


Remediation

Install update from vendor's website.

References