CVE-2013-6282
HIGH severity · CVSS 8.8 · Improper input validation · actively exploited (CISA KEV)
8.8CVSS HIGH exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-09-15. US federal agencies must patch by 2022-10-06.
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)40%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8404663f81d212918ff85f493649a7991209fa04 ↗
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8404663f81d212918ff85f493649a7991209fa04Patch
- http://www.codeaurora.org/projects/security-advisories/missing-access-checks-putusergetuser-kernel-api-cve-2013-6282Patch
- https://github.com/torvalds/linux/commit/8404663f81d212918ff85f493649a7991209fa04Patch
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5Advisory
- http://www.openwall.com/lists/oss-security/2013/11/14/11
- http://www.securityfocus.com/bid/63734Advisory
- http://www.ubuntu.com/usn/USN-2067-1Advisory
- https://www.exploit-db.com/exploits/40975/Advisory