Improper Validation of Array Index Affecting kernel-core package, versions <0:5.14.0-162.6.1.el9_1
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-5424017
- published 15 Apr 2023
- disclosed 13 Apr 2023
Introduced: 13 Apr 2023
CVE-2023-2008 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-162.6.1.el9_1 or higher.
This issue was patched in RHSA-2022:8267.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.
References
- https://access.redhat.com/security/cve/CVE-2023-2008
- https://bugzilla.redhat.com/show_bug.cgiid=2186862
- https://bugzilla.redhat.com/show_bug.cgi?id=2186862
- https://github.com/torvalds/linux/commit/05b252cccb2e5c3f56119d25de684b4f810ba4
- https://www.zerodayinitiative.com/advisories/ZDI-23-441/
- https://security.netapp.com/advisory/ntap-20230517-0007/