vulnerability
Oracle Solaris 11: CVE-2018-6922 (11.4 SRU 3.5.0)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Aug 9, 2018 | Nov 19, 2018 | Feb 17, 2022 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Aug 9, 2018
Added
Nov 19, 2018
Modified
Feb 17, 2022
Description
One of the data structures that holds TCP segments in all versions of FreeBSD prior to 11.2-RELEASE-p1, 11.1-RELEASE-p12, and 10.4-RELEASE-p10 uses an inefficient algorithm to reassemble the data. This causes the CPU time spent on segment processing to grow linearly with the number of segments in the reassembly queue. An attacker who has the ability to send TCP traffic to a victim system can degrade the victim system's network performance and/or consume excessive CPU by exploiting the inefficiency of TCP reassembly handling, with relatively small bandwidth cost.
Solution
oracle-solaris-11-4-upgrade-consolidation-osnet-osnet-incorporation-11-4-11-4-3-0-1-5-0
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