vulnerability
CentOS Linux: CVE-2023-23454: Important: kernel-rt security and bug fix update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Jan 12, 2023 | May 17, 2023 | Jan 28, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Jan 12, 2023
Added
May 17, 2023
Modified
Jan 28, 2025
Description
cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).
Solutions
centos-upgrade-kernelcentos-upgrade-kernel-rt
References
Rapid7 Labs
2026 Global Threat Landscape Report
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