Bug 4336 - CVE-2023-23454
Summary: CVE-2023-23454
Status: RESOLVED FIXED
Alias: None
Product: ANCK 4.19 Dev
Classification: ANCK
Component: net (show other bugs) net
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: XuanZhuo
QA Contact: shuming
URL:
Whiteboard:
Keywords: CVE
Depends on:
Blocks:
 
Reported: 2023-03-03 14:19 UTC by hujian1
Modified: 2023-03-29 11:43 UTC (History)
3 users (show)

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Description hujian1 2023-03-03 14:19:19 UTC 
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).

Upstream:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12
Comment 1 宁畅 alibaba_cloud_group 2023-03-29 11:43:32 UTC 
PR: https://gitee.com/anolis/cloud-kernel/pulls/1348