CVE-2014-3144
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- CVE-2014-3144
CVE Details
| Release Date: | 2014-04-13 |
Description
The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions before the vulnerability was announced.
See more information about CVE-2014-3144 from MITRE CVE dictionary and NIST NVD
CVSS v2.0 metrics
NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 5.4 | Base Metrics: | AV:L/AC:M/Au:N/C:P/I:N/A:C |
| Access Vector: | Local network | Attack Complexity: | Medium |
| Authentication: | None required | Confidentiality Impact: | Partial |
| Integrity Impact: | None | Availability Impact: | Complete |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 5 (kernel-uek) | ELSA-2014-3053 | 2014-07-29 |
| Oracle Linux version 5 (kernel-uek) | ELSA-2014-3054 | 2014-07-30 |
| Oracle Linux version 5 (mlnx_en-2.6.32-400.36.6.el5uek) | ELSA-2014-3054 | 2014-07-30 |
| Oracle Linux version 5 (ofa-2.6.32-400.36.6.el5uek) | ELSA-2014-3054 | 2014-07-30 |
| Oracle Linux version 6 (dtrace-modules-3.8.13-35.3.3.el6uek) | ELSA-2014-3052 | 2014-07-29 |
| Oracle Linux version 6 (kernel) | ELSA-2014-0981 | 2014-07-29 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2014-3052 | 2014-07-29 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2014-3053 | 2014-07-29 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2014-3054 | 2014-07-30 |
| Oracle Linux version 6 (mlnx_en-2.6.32-400.36.6.el6uek) | ELSA-2014-3054 | 2014-07-30 |
| Oracle Linux version 6 (ofa-2.6.32-400.36.6.el6uek) | ELSA-2014-3054 | 2014-07-30 |
| Oracle Linux version 7 (dtrace-modules-3.8.13-35.3.3.el7uek) | ELSA-2014-3052 | 2014-07-29 |
| Oracle Linux version 7 (kernel) | ELSA-2014-0786 | 2014-07-23 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2014-3052 | 2014-07-29 |
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