CVE-2020-29661

Katalog CVE

CVSS 7.8 · High EPSS 1,1%

Kerentanan Use After Free pada linux kernel, fedoraproject fedora +10 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.

Rincian

Terbit di NVD

9 Desember 2020

Terakhir diubah

17 Juni 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-416: Use After Free
CWE-667: Improper Locking

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 65,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fa... patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2020/12/10/1 mailing list · patch · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpuoct2021.html patch · advisory pihak ketiga
• http://packetstormsecurity.com/files/160681/Linux-TIOCSPGRP-Broken-Locking.html advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice-LSN-0082-1.html advisory pihak ketiga · vdb entry
• https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210122-0001/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4843 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOB25SU6XUL4T...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZ7OAKAEFAXQR...