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CVE-2013-6282

The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addresses, which…

High Known exploited
Severity
8.8 / 10
High · CVSS 3.1
Exploit chance (EPSS)
39.71%
Chance of exploitation in the next 30 days. Higher than 98.62% of scored vulnerabilities.
Known exploited
Yes
In CISA's catalog since Sep 15, 2022
Weakness
—
Not classified
Fix
None yet
No fixed version published
Exploited in the wild. Linux Kernel Improper Input Validation Vulnerability (Linux Kernel). Required action: Apply updates per vendor instructions. Due for U.S. federal agencies by Oct 6, 2022.

Description

The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addresses, which allows attackers to read or modify the contents of arbitrary kernel memory locations via a crafted application, as exploited in the wild against Android devices in October and November 2013.

How to fix

No fixed version has been published yet. Until one is, remove or replace the package, or turn off or isolate the affected feature. This page updates when a fix ships.

Severity breakdown

CVSS 3.1 8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

References

Timeline

  1. Published
  2. Added to CISA's Known Exploited Vulnerabilities catalog
  3. Remediation due for U.S. federal agencies
  4. Last updated by the source
  5. Latest EPSS score
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