VDB
DEBIAN-CVE-2026-23204
DEBIAN-CVE-2026-23204
PUBLISHED
CVSS 7.099999904632568 HIGH
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
Risk Scores
CVSS v3.1
7.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | linux | 6.19.6-2~bpo13+1, 6.18.8-1, * |
| Debian:13 | linux | 6.12.43-1, 6.12.73-1, 6.12.69-1 |
| Debian:11 | linux | 6.1.1-1, 6.13.9-1, 6.13 |
| Debian:14 | linux | 6.15.2-1~exp1, 6.12.43-1, 6.18.5-1 |
| Debian:11 | linux-6.1 | 6.1.112-1, 6.1.106-3, 6.1.119-1 |
Timeline
- Feb 14, 2026 CVE Published
- May 2, 2026 CVE Updated