CVE-2026-43238
MediumSummary
A vulnerability in the Linux kernel has been fixed that could lead to a divide-by-zero error in the tcf_skbedit_hash() function. This issue was addressed by adding support for SKBEDIT_F_TXQ_SKBHASH.
Risk Assessment
This vulnerability could lead to system crashes or unexpected behavior when processing network packets. Organizations should be aware of potential stability issues.
Recommendation
It is recommended to update the Linux kernel to the latest version to eliminate this vulnerability and ensure system stability and security.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_skbedit: fix divide-by-zero in tcf_skbedit_hash() Commit 38a6f0865796 ("net: sched: support hash selecting tx queue") added SKBEDIT_F_TXQ_SKBHASH support. The inclusive range size is computed as: mapping_mod = queu