Vulnerability Name:

CCN-112872

Published:2016-04-25
Updated:2016-04-25
Summary:Linux Kernel could allow a local attacker to obtain sensitive information, caused by a race condition in perf_event_open(). An attacker could exploit this vulnerability to obtain sensitive information from setuid programs.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.6 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Consequences:Obtain Information
References:Source: CCN
Type: Google Security Research Issue 807
Linux: perf_event_open() can race with execve()

Source: XF
Type: UNKNOWN
linux-kernel-perfevent-info-disc(112872)

Source: CCN
Type: Linux Kernel GIT Repository
perf/core: Fix perf_event_open() vs. execve() race

Source: CCN
Type: Packet Storm Security [05-03-2016]
Linux perf_event_open() / execve() Race Condition

Source: CCN
Type: Packet Storm Security [07-28-2016]
Linux ARM/ARM64 perf_event_open() Arbitrary Memory Read

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [05-04-2016]

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [07-29-2016]

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    linux linux kernel *