cve/2023/CVE-2023-23455.md

CVE-2023-23455

Description

atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).

POC

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2965c7be0522eaa18808684b7b82b248515511b
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2965c7be0522eaa18808684b7b82b248515511b

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/alopresto/epss_api_demo
• https://github.com/alopresto6m/epss_api_demo