CVE-2021-4202

Katalog CVE

CVSS 7.0 · High EPSS 0,37%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada linux kernel. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.

Rincian

Terbit di NVD

25 Maret 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416: Use After Free

EPSS (30 hari)

0,37% peluang dieksploitasi; lebih tinggi dari 28,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4... exploit · patch · advisory vendor
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed... exploit · patch · advisory vendor
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558... exploit · patch · advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=2036682 issue tracking · patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2022/06/01/2 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2022/06/04/2 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2022/06/07/2 mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220513-0002/ advisory pihak ketiga