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CVE-2026-23204

—
CVSS 3.1
7.1 high
EPSS
<1%p2
Published
()
Modified
Description

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: use skb_header_pointer_careful() skb_header_pointer() does not fully validate negative @offset values. Use skb_header_pointer_careful() instead. GangMin Kim provided a report and a repro fooling u32_classify(): BUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0 net/sched/cls_u32.c:221

Vendors
linux
Products
linux kernel
Weakness
CWE-125
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news

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