Permissions, Privileges, and Access Controls in Linux kernel - CVE-2013-6383
Published: November 27, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42308
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2013-6383
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
How to mitigate CVE-2013-6383
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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
- http://www.ubuntu.com/usn/USN-2073-1
- http://www.ubuntu.com/usn/USN-2074-1
- http://www.ubuntu.com/usn/USN-2075-1
- http://www.ubuntu.com/usn/USN-2076-1
- http://www.ubuntu.com/usn/USN-2107-1
- http://www.ubuntu.com/usn/USN-2108-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1033530
- https://github.com/torvalds/linux/commit/f856567b930dfcdbc3323261bf77240ccdde01f5