SB2017031536 - Ubuntu update for linux, linux-aws, linux-gke and more
Published: March 15, 2017 Updated: October 31, 2026
Security Bulletin ID
SB2017031536
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2016-10208)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to cause DoS condition on the target systsem.
The weakness exists due to memory corruption when validating meta block groups by the ext4_fill_super function. A local attacker can use a specially crafted EXT4 image to trigger an out-of-bounds read and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
2) Improper privilege management (CVE-ID: CVE-2017-5551)
CWE-ID: CWE-269 - Improper Privilege Management
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the simple_set_acl() function in fs/posix_acl.c. A local user can read and manipulate data.
Remediation
Install update from vendor's website.