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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-19T16:02:30

Updated: 2022-06-04T23:06:09

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


Link: CVE-2021-41073

JSON object: View

cve-icon NVD Information

Status : Modified

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

Modified: 2023-11-07T03:38:48.933


Link: CVE-2021-41073

JSON object: View

cve-icon Redhat Information

No data.

CWE