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).
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/23xxx/CVE-2023-23454.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"last_affected": "6.1.4"
}
],
"source": "DESCRIPTION"
}
]
}
]
}{
"extracted_events": [
{
"range": [
{
"fixed": "caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12"
}
],
"source": "REFERENCES_COMMIT"
}
]
}