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 add
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Linux kernel on ARM v6k and v7 processors is affected. A malicious application could exploit it to read or change any part of the kernel's memory, which could let an attacker take full control of the device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a n/a
Version range not reported
References 8
kernel.org
Exploit-DB
git.kernel.org
codeaurora.org
securityfocus.com
openwall.com
GitHub · torvalds/linux
ubuntu.com
Questions about CVE-2013-6282
What does this mean?
The get_user and put_user API functions in the Linux kernel do not validate certain user address ranges on ARM v6k and v7 platforms. The get_user and put_user macros do not perform range checking on the user address.Source: github.com
Am I affected, and how do I check?
Linux kernel versions before 3.5.5 on ARM v6k and v7 platforms are affected, where CPU_USE_DOMAINS is not set. To check, look at the kernel version and at whether CPU_USE_DOMAINS is set in the kernel build configuration.Source: github.com
What should I do about it?
Move to Linux kernel 3.5.5 or later, since the affected range ends before 3.5.5.Source: github.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-09-15, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data
What if there's no patch?
The checked facts do not describe a workaround. Until the kernel is updated, the only setting noted is CPU_USE_DOMAINS, which is relevant only to the affected configuration.Source: github.com