Incorrect Conversion between Numeric Types Affecting kernel-headers package, versions <0:4.18.0-425.3.1.el8
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Test your applications- Snyk ID SNYK-ROCKY8-KERNELHEADERS-3193184
- published 5 Jan 2023
- disclosed 1 Sep 2022
Introduced: 1 Sep 2022
CVE-2022-2639 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-headers to version 0:4.18.0-425.3.1.el8 or higher.
This issue was patched in RLSA-2022:7683.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.