An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
The qfqchangeagg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks.
We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.
{
"cwe_ids": [
"CWE-787"
],
"cna_assigner": "Google",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3611.json"
}{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"introduced": "3.8"
},
{
"fixed": "6.5"
}
]
}