Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the...
Vulnerability Description
Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.
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-2065-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1007690
- http://www.ubuntu.com/usn/USN-2110-1
- http://rhn.redhat.com/errata/RHSA-2013-1490.html
- http://rhn.redhat.com/errata/RHSA-2013-1645.html
- http://www.ubuntu.com/usn/USN-2076-1
- http://www.ubuntu.com/usn/USN-2158-1
- http://www.ubuntu.com/usn/USN-2070-1
- http://www.ubuntu.com/usn/USN-2071-1
- http://www.ubuntu.com/usn/USN-2109-1
- http://rhn.redhat.com/errata/RHSA-2013-1449.html
- http://www.securityfocus.com/bid/62740
- http://www.ubuntu.com/usn/USN-2074-1
- http://www.ubuntu.com/usn/USN-2068-1
- http://marc.info/?l=linux-crypto-vger&m=137942122902845&w=2
- http://www.ubuntu.com/usn/USN-2072-1
- http://www.ubuntu.com/usn/USN-2075-1
- http://www.ubuntu.com/usn/USN-2064-1
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.