CVE-2022-50865

Katalog CVE

CVSS 7.5 · High EPSS 0,53%

Skor CVSS 3.1 7.5 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: tcp: fix a signed-integer-overflow bug in tcp_add_backlog() The type of sk_rcvbuf and sk_sndbuf in struct sock is int, and in tcp_add_backlog(), the variable limit is caculated by adding sk_rcvbuf, sk_sndbuf and 64 * 1024, it may exceed the max value of int and overflow. This patch reduces the limit budget by halving the sndbuf to solve this issue since ACK packets are much smaller than the payload.

Rincian

Terbit di NVD

30 Desember 2025

Terakhir diubah

4 Agustus 2026

Status NVD

Deferred

CVSS 3.1

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

EPSS (30 hari)

0,53% peluang dieksploitasi; lebih tinggi dari 43,1% 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/28addf029417d53b1df062b4c87feb7bc033cb5f
• https://git.kernel.org/stable/c/4f23cb2be530785db284a685d1b1c30224d8a538
• https://git.kernel.org/stable/c/9d04b4d0feee12bce6bfe37f30d8e953d3c30368
• https://git.kernel.org/stable/c/a85d39f14aa8a71e29cfb5eb5de02878a8779898
• https://git.kernel.org/stable/c/ec791d8149ff60c40ad2074af3b92a39c916a03f