Description
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.
Published: 2021-09-19
Score: 7.8 High
EPSS: 1.5% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4978-1 linux security update
EUVD EUVD EUVD-2021-28224 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.
Ubuntu USN Ubuntu USN USN-5092-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5092-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5096-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5106-1 Linux kernel (OEM) vulnerabilities
History

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Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Linux Linux Kernel
Netapp Cloud Backup H300e H300e Firmware H300s H300s Firmware H410c H410c Firmware H410s H410s Firmware H500e H500e Firmware H500s H500s Firmware H700e H700e Firmware H700s H700s Firmware Solidfire Baseboard Management Controller
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T02:59:31.000Z

Reserved: 2021-09-14T00:00:00.000Z

Link: CVE-2021-41073

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-19T17:15:07.227

Modified: 2024-11-21T06:25:23.367

Link: CVE-2021-41073

cve-icon Redhat

Severity : Important

Publid Date: 2021-09-19T00:00:00Z

Links: CVE-2021-41073 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses