Race condition in the install_user_keyrings function in security/keys/process_keys.c in the...
Vulnerability Description
Race condition in the install_user_keyrings function in security/keys/process_keys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) via crafted keyctl system calls that trigger keyring operations in simultaneous threads.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.ubuntu.com/usn/USN-1796-1
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- https://github.com/torvalds/linux/commit/0da9dfdd2cd9889201bc6f6f43580c99165cd087
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.ubuntu.com/usn/USN-1797-1
- http://www.ubuntu.com/usn/USN-1788-1
- http://www.openwall.com/lists/oss-security/2013/03/07/1
- http://www.ubuntu.com/usn/USN-1793-1
- http://www.ubuntu.com/usn/USN-1792-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0da9dfdd2cd9889201bc6f6f43580c99165cd087
- https://bugzilla.redhat.com/show_bug.cgi?id=916646
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3
- http://www.ubuntu.com/usn/USN-1794-1
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- http://www.ubuntu.com/usn/USN-1795-1
- http://www.ubuntu.com/usn/USN-1787-1
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://www.ubuntu.com/usn/USN-1798-1
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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