CVE-2021-3752: linux kernel +18 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-3752

CVSS 7.1 · High EPSS 1,7%

Kerentanan Use After Free pada linux kernel, redhat 3scale +17 lainnya. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Rincian

Terbit di NVD: 16 Februari 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.1 (High), sumber NVD
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-416: Use After Free
CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
EPSS (30 hari): 1,7% peluang dieksploitasi; lebih tinggi dari 77,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
linux	linux kernel	Versi 2.6.12 hingga sebelum 4.4.293
linux	linux kernel	Versi 4.5 hingga sebelum 4.9.291
linux	linux kernel	Versi 4.10 hingga sebelum 4.14.256
linux	linux kernel	Versi 4.15 hingga sebelum 4.19.218
linux	linux kernel	Versi 4.20 hingga sebelum 5.4.160
linux	linux kernel	Versi 5.5 hingga sebelum 5.10.80
linux	linux kernel	Versi 5.11 hingga sebelum 5.14.19
linux	linux kernel	Versi 5.15 hingga sebelum 5.15.3
redhat	3scale	Versi 2.0
redhat	virtualization host	Versi 4.0
fedoraproject	fedora	Versi 34
redhat	enterprise linux	Versi 7.0
redhat	enterprise linux	Versi 8.0
redhat	enterprise linux for real time	Versi 7
redhat	enterprise linux for real time for nfv	Versi 7
netapp	h300s firmware	Semua versi
netapp	h500s firmware	Semua versi
netapp	h700s firmware	Semua versi
netapp	h300e firmware	Semua versi
netapp	h500e firmware	Semua versi
netapp	h700e firmware	Semua versi
netapp	h410s firmware	Semua versi
netapp	h410c firmware	Semua versi
debian	debian linux	Versi 9.0
debian	debian linux	Versi 10.0
oracle	communications cloud native core binding support function	Versi 22.1.3
oracle	communications cloud native core network exposure function	Versi 22.1.1
oracle	communications cloud native core policy	Versi 22.2.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.oracle.com/security-alerts/cpujul2022.html patch · advisory pihak ketiga
https://bugzilla.redhat.com/show_bug.cgi?id=1999544 issue tracking · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html mailing list · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html mailing list · advisory pihak ketiga
https://security.netapp.com/advisory/ntap-20220318-0009/ advisory pihak ketiga
https://www.debian.org/security/2022/dsa-5096 advisory pihak ketiga
https://www.openwall.com/lists/oss-security/2021/09/15/4 exploit · mailing list · advisory pihak ketiga
https://lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.