What’s Vulnerable › Vulnerabilities

CVE-2013-6383

• Severity: medium (CVSS 6.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-11-27 · updated 2026-06-17
• Weakness: CWE-264

Description

The aac_compat_ioctl function in drivers/scsi/aacraid/linit.c in the Linux kernel before 3.11.8 does not require the CAP_SYS_RAWIO capability, which allows local users to bypass intended access restrictions via a crafted ioctl call.

Affected products

• Linux kernel: from 2.6.12 before 3.2.53; from 3.3 before 3.4.69; from 3.5 before 3.10.19; from 3.11 before 3.11.8 — fixed in 3.10.19, 3.11.8, 3.2.53, 3.4.69

How to fix

Upgrade to a fixed version: Linux kernel 3.10.19, 3.11.8, 3.2.53, 3.4.69. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f856567b930dfcdbc3323261bf77240ccdde01f5
• http://rhn.redhat.com/errata/RHSA-2014-0100.html
• http://rhn.redhat.com/errata/RHSA-2014-0285.html
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.8
• http://www.openwall.com/lists/oss-security/2013/11/22/5
• http://www.ubuntu.com/usn/USN-2066-1
• http://www.ubuntu.com/usn/USN-2067-1
• http://www.ubuntu.com/usn/USN-2068-1
• http://www.ubuntu.com/usn/USN-2069-1
• http://www.ubuntu.com/usn/USN-2070-1
• http://www.ubuntu.com/usn/USN-2071-1
• http://www.ubuntu.com/usn/USN-2072-1

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