CVE-2023-23454
Medium
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).
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJan 12, 2023
First seenJan 12, 2023
Weakness typeCWE-843CWE-843
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.12 ≤ v ≤ 6.1.4 | — |
| debian debian_linux | 11.0 | — |
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