CVE-2022-49058

Katalog CVE

CVSS 7.8 · High EPSS 0,87%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' too small (16 vs u32max) It's caused because Smatch marks 'link_len' as untrusted since it comes from sscanf(). Add a check to ensure that 'link_len' is not larger than the size of the 'link_str' buffer.

Rincian

Terbit di NVD

26 Februari 2025

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,87% peluang dieksploitasi; lebih tinggi dari 57,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/1316c28569a80ab3596eeab05bf5e01991e7e739 patch
• https://git.kernel.org/stable/c/22d658c6c5affed10c8907e67160cef0b6c92186 patch
• https://git.kernel.org/stable/c/3e582749e742e662a8e9bb37cffac62dccaaa1e2 patch
• https://git.kernel.org/stable/c/4e166a41180be2f1e66bbb6d46448e80a9a5ec05 patch
• https://git.kernel.org/stable/c/515e7ba11ef043d6febe69389949c8ef5f25e9d0 patch
• https://git.kernel.org/stable/c/64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304 patch
• https://git.kernel.org/stable/c/9901b07ba42b39266b34a888e48d7306fd707bee patch
• https://git.kernel.org/stable/c/eb5f51756944735ac70cd8bb38637cc202e29c91 patch