CVE-2021-36087

Katalog CVE

CVSS 3.3 · Low EPSS 0,46%

Kerentanan Out-of-bounds Read pada selinux project selinux, fedoraproject fedora. Skor CVSS 3.1 3.3 (Low) menurut NVD.

Deskripsi (NVD)

The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from cil_check_neverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block.

Rincian

Terbit di NVD

1 Juli 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,46% peluang dieksploitasi; lebih tinggi dari 37,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675 exploit · issue tracking · patch · advisory pihak ketiga
• https://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd4d12a405521 patch · advisory pihak ketiga
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.yaml advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6...
• https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ%40mail.gmail.com/T/
• https://lists.debian.org/debian-lts-announce/2024/10/msg00021.html
• https://security.netapp.com/advisory/ntap-20250207-0004/