CVE-2021-41073

Katalog CVE

CVSS 7.8 · High EPSS 1,8%

Kerentanan Release of Invalid Pointer or Reference pada linux kernel, debian linux +11 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

Rincian

Terbit di NVD

19 September 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-763: Release of Invalid Pointer or Reference

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,6% 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=16c8d2df7ec0eed31b7d3b61cb13206a... patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2021/09/18/2 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2022/06/04/4 mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20211014-0003/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4978 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377C...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZ...