Vulnerability record

CVE-2013-6282

Linux Kernel Improper Input Validation Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Linux, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Oct 6, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
LinuxLinux< 3.2.54; >= 3.3, < 3.4.12; >= 3.5, < 3.5.53.2.54; 3.4.12; 3.5.5KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2013-6282 scored CVSS 8.8: Linux Kernel, Linux Kernel Improper Input Validation Vulnerability

    CISA lists this as exploited in the wild. Unpatched Kernel systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2013-6282: Linux Kernel, Linux Kernel Improper Input Validation Vulnerability

    An official fix is now available for Linux Kernel. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • git.kernel.org https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8404663f81d212918ff85f493649a799…
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2013-6282
  • git.kernel.org http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8404663f81d212918ff85f493649a7…
  • codeaurora.org http://www.codeaurora.org/projects/security-advisories/missing-access-checks-putusergetuser-kernel-api-cve-201…
  • kernel.org http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5
  • openwall.com http://www.openwall.com/lists/oss-security/2013/11/14/11
  • securityfocus.com http://www.securityfocus.com/bid/63734
  • ubuntu.com http://www.ubuntu.com/usn/USN-2067-1
  • github.com https://github.com/torvalds/linux/commit/8404663f81d212918ff85f493649a7991209fa04
  • exploit-db.com https://www.exploit-db.com/exploits/40975/
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-6282