CVE-2026-63912

Katalog CVE

CVSS 9.8 · Critical EPSS 0,71%

Skor CVSS 3.1 9.8 (Critical) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in esp_output_head() before esp_output_tail() allocates the destination page frag. The head-side gate currently checks skb->data_len and tailen separately, but the tail code allocates a single destination frag from the combined post-trailer skb->data_len. Reject the page-frag fast path when the combined aligned length exceeds a page. Otherwise skb_page_frag_refill() may fall back to a single page while the destination sg still spans the combined skb->data_len. Restore this combined-length page gate for both IPv4 and IPv6.

Rincian

Terbit di NVD

19 Juli 2026

Terakhir diubah

27 Juli 2026

Status NVD

Awaiting Analysis

CVSS 3.1

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

EPSS (30 hari)

0,71% peluang dieksploitasi; lebih tinggi dari 52,4% 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/322e48187e0245ab2fff6fec2220b0cae677dbec
• https://git.kernel.org/stable/c/36519e3d941fc99d3b52c134dbaf311f987a4708
• https://git.kernel.org/stable/c/566295735530ee513326049b0540f32ec050bf2e
• https://git.kernel.org/stable/c/5d7ab86e2b6bc23054616bf6ac562013bf60af8c
• https://git.kernel.org/stable/c/65f3b3fc2347b89fe21db1e92c7681368415f095
• https://git.kernel.org/stable/c/b84091ceddc9f133229dceab3ccc930bf27f9cba
• https://git.kernel.org/stable/c/c093468aea8277f77272a4f199b2e15e19cabb59
• https://git.kernel.org/stable/c/dfa0d7b0ff1eb6b2c416b8fdb9b4f2cefba57a40