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nvd логотип

CVE-2026-23204

Опубликовано: 14 фев. 2026
Источник: nvd
CVSS3: 7.1
EPSS Низкий

Описание

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

Ссылки

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 2.6.35.1 (включая) до 6.6.124 (исключая)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 6.7 (включая) до 6.12.70 (исключая)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 6.13 (включая) до 6.18.10 (исключая)
cpe:2.3:o:linux:linux_kernel:2.6.35:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.35:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.35:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.35:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.35:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.35:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*

EPSS

Процентиль: 3%
0.00015
Низкий

7.1 High

CVSS3

Дефекты

CWE-125

Связанные уязвимости

ubuntu логотип

CVE-2026-23204

CVSS3: 7.1
ubuntu
около 1 месяца назад

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

redhat логотип

CVE-2026-23204

CVSS3: 7.3
redhat
около 1 месяца назад

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

msrc логотип

CVE-2026-23204

msrc
7 дней назад

net/sched: cls_u32: use skb_header_pointer_careful()

debian логотип

CVE-2026-23204

CVSS3: 7.1
debian
около 1 месяца назад

In the Linux kernel, the following vulnerability has been resolved: n ...

github логотип

GHSA-rf63-9f5h-hhg6

CVSS3: 7.1
github
около 1 месяца назад

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

EPSS

Процентиль: 3%
0.00015
Низкий

7.1 High

CVSS3

Дефекты

CWE-125