CVE-2026-74705

Katalog CVE

CVSS 10.0 · Critical EPSS 0,50%

Skor CVSS 3.1 10.0 (Critical) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head, the saved UDP header pointer is no longer valid. Get the UDP header after the pull to avoid a potential use-after-free.

Rincian

Terbit di NVD

22 Agustus 2026

Terakhir diubah

25 Agustus 2026

Status NVD

Received

CVSS 3.1

10.0 (Critical), sumber CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

0,50% peluang dieksploitasi; lebih tinggi dari 41,1% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/19d89b13a43640b2da2f277ee462d919d988cb6f
• https://git.kernel.org/stable/c/1ae134c012e10384cdac420b5cc6e0615cde0b55
• https://git.kernel.org/stable/c/5161e67c561c4f28a5d9335a6e859b02511de92b
• https://git.kernel.org/stable/c/588d4a6795d99d080f74ef0b5f391ea8c453ae5d
• https://git.kernel.org/stable/c/64d322c288577793eedd352b96ef75234ed380fe
• https://git.kernel.org/stable/c/6a733a38b983d8c2e222f13968209010cf44de87
• https://git.kernel.org/stable/c/b3df61bb745eb5201eac22679a2839d4ccbf3442
• https://git.kernel.org/stable/c/d0f86fb36eb260abd10007b62c9dcc1028e03e61