CVE-2021-3609

Katalog CVE

CVSS 7.0 · High EPSS 0,43%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada linux kernel, redhat 3scale api management +30 lainnya. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

Rincian

Terbit di NVD

3 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')

EPSS (30 hari)

0,43% peluang dieksploitasi; lebih tinggi dari 35,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463 patch · advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=1971651 issue tracking · advisory pihak ketiga
• https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md exploit · deskripsi teknis · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220419-0004/ advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2021/06/19/1 mailing list · advisory pihak ketiga