MEDIUM 5.5 Microsoft
CVE-2023-23454
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).
Microsoft Security Update 2023-Jan: 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).
Affected Products
- cm1 kernel 5.10.167.1-1 on CBL Mariner 1.0
- cbl2 hyperv-daemons 5.15.87.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.87.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23454
- https://nvd.nist.gov/vuln/detail/CVE-2023-23454
This medium severity vulnerability with a CVSS score of 5.5 was published on 2023-01-10 via Microsoft. Affected: cm1 kernel 5.10.167.1-1 on CBL Mariner 1.0, cbl2 hyperv-daemons 5.15.87.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.87.1-1 on CBL Mariner 2.0.
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