CVE-2026-74475

Katalog CVE

CVSS 10.0 · Critical EPSS 0,45%

Skor CVSS 3.1 10.0 (Critical) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: vxlan: use neigh_ha_snapshot() in route_shortcircuit() The neighbour hardware address n->ha can be updated asynchronously by the neighbour subsystem, protected by n->ha_lock seqlock. Reading n->ha without holding the seqlock loop can lead to torn reads or reading a partially updated MAC address. Use neigh_ha_snapshot() in route_shortcircuit() to safely copy n->ha under read_seqbegin()/read_seqretry() lock protection before using it. Note that arp_reduce() and neigh_reduce() seem to have the same issue left for future patches.

Rincian

Terbit di NVD

15 Agustus 2026

Terakhir diubah

19 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:L · uraikan di kalkulator

EPSS (30 hari)

0,45% peluang dieksploitasi; lebih tinggi dari 37,6% 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/05f2987f73daa05333fd713d05546142f9f7c5f0
• https://git.kernel.org/stable/c/32a9590a8d30426e3db63e6b20893e47e02576c0
• https://git.kernel.org/stable/c/87210054bad82bbae6f483a742dc45722fb47a6b
• https://git.kernel.org/stable/c/8eca411347e1d38964f9ed2c8d3b6ab0e7e4473d
• https://git.kernel.org/stable/c/d08e8ac13f2e228cc7fc3c70b5ebe71557b624a0
• https://git.kernel.org/stable/c/d0993fc053f29e15cc7c9fe2029df3882a2ab5ab
• https://git.kernel.org/stable/c/ec341bb76d77b4c2948764375ee6bfeef4bb41c3
• https://git.kernel.org/stable/c/ff89415d34c3ab9f5312316423122e664ed3524f