PT-2017-2033 · Linux+5 · Linux Kernel+5
Andrey Konovalov
+1
·
Published
2017-05-10
·
Updated
2025-09-29
·
CVE-2017-8890
CVSS v2.0
10
High
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.10.15
Description
The issue is related to the inet csk clone lock function in the Linux kernel, which can be exploited to cause a denial of service due to a double free error. This can be achieved by leveraging the use of the accept system call. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.
Recommendations
For Linux kernel versions prior to 4.10.15, update to a version 4.10.15 or later to resolve the issue. As a temporary workaround, consider restricting the use of the accept system call to minimize the risk of exploitation.
Exploit
Fix
DoS
Double Free
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu