Vulnerability Monitor

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CVE-2013-0914

The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.

Published

2013-03-22T11:59:11.507

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.6 (LOW)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 3.8.3 Yes
Operating System linux linux_kernel 3.8.0 Yes
Operating System linux linux_kernel 3.8.1 Yes
Operating System linux linux_kernel 3.8.2 Yes
References