vulnerability
Red Hat: CVE-2023-23454: slab-out-of-bounds read vulnerabilities in cbq_classify (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 | Jul 9, 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
Jul 9, 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).
Solution(s)
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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