CVE-2026-98345 Linux — Exploit & Vulnerability Details NONE

Parameter	Value
Affected Versions	2.6.31 — 7.3-rc4
Fixed In	5.10.271
Vendor	Linux
Public PoC	No

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check IP header size in cfg80211_classify8021d() A frame that looks like IP can be transmitted, but be too short, so the DS field is read incorrectly: BUG: KMSAN: uninit-value in cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027 cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027 ieee80211_select_queue+0x37a/0x9e0 net/mac80211/wme.c:180 __ieee80211_subif_start_xmit+0x60f/0x1d90 net/mac80211/tx.c:4304 ieee80211_subif_start_xmit+0xa8/0x6d0 net/mac80211/tx.c:4538 ... packet_sendmsg+0x9173/0xa2a0 net/packet/af_packet.c:3108 Use skb_header_pointer() like the MPLS case.

Vulnerable Products 8

Configuration	From (including)	Up to (excluding)
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`5.10.271`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`5.15.222`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`6.1.189`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`6.6.158`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`6.12.112`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`6.18.54`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`7.2.8`
Linux Linux_Kernel cpe:2.3:o:linux:linux_kernel::::::::	`2.6.31`	`7.3-rc4`