CVE-2019-11478
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- CVE-2019-11478
CVE Details
| Release Date: | 2019-06-18 |
Description
Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e.
See more information about CVE-2019-11478 from MITRE CVE dictionary and NIST NVD
CVSS v3.0 metrics
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 7.5 | Base Metrics: | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Access Vector: | Network | Attack Complexity: | Low |
| Privileges Required: | None | User Interaction: | None |
| Scope: | Unchanged | Confidentiality Impact: | None |
| Integrity Impact: | None | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 5 (kernel-uek) | ELSA-2019-4689 | 2019-06-17 |
| Oracle Linux version 6 (dtrace-modules-3.8.13-118.35.2.el6uek) | ELSA-2019-4686 | 2019-06-17 |
| Oracle Linux version 6 (kernel) | ELSA-2019-1488 | 2019-06-18 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2019-4684 | 2019-06-17 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2019-4686 | 2019-06-17 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2019-4689 | 2019-06-17 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2019-4850 | 2019-11-20 |
| Oracle Linux version 7 (dtrace-modules-3.8.13-118.35.2.el7uek) | ELSA-2019-4686 | 2019-06-17 |
| Oracle Linux version 7 (kernel) | ELSA-2019-1481 | 2019-06-18 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2019-4684 | 2019-06-17 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2019-4685 | 2019-06-17 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2019-4686 | 2019-06-17 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2019-4850 | 2019-11-20 |
| Oracle Linux version 8 (kernel) | ELSA-2019-1479 | 2019-07-30 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2019-0026 | 2019-06-17 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2019-0056 | 2019-11-21 |
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