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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2021-09-19T16:02:30
Updated: 2024-08-04T02:59:31.000Z
Reserved: 2021-09-14T00:00:00
Link: CVE-2021-41073
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-09-19T17:15:07.227
Modified: 2024-11-21T06:25:23.367
Link: CVE-2021-41073
Redhat