CVE-2021-29154

Katalog CVE

CVSS 7.8 · High EPSS 0,93%

Kerentanan Improper Neutralization of Special Elements used in a Command ('Command Injection') pada linux kernel, fedoraproject fedora +11 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.

Rincian

Terbit di NVD

8 April 2021

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-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

EPSS (30 hari)

0,93% peluang dieksploitasi; lebih tinggi dari 59,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.openwall.com/lists/oss-security/2021/04/08/1 mailing list · patch · advisory pihak ketiga
• http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html advisory pihak ketiga · vdb entry
• https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html mailing list · advisory pihak ketiga
• https://news.ycombinator.com/item?id=26757760 issue tracking · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210604-0006/ advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujul2022.html advisory pihak ketiga
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=26f55a59dc65ff77cd1c4b37991e26497fc...
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4d4d456436bfb2fe412ee2cd489f765844...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5YFGIIF24475...