CVE-2021-38208

Katalog CVE

CVSS 5.5 · Medium EPSS 0,49%

Kerentanan NULL Pointer Dereference pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.

Rincian

Terbit di NVD

8 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10 mailing list · patch · advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=1992810 issue tracking · patch · advisory pihak ketiga
• https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba exploit · patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/08/17/1 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/08/17/2 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/08/24/2 mailing list · advisory pihak ketiga