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
Advisories
Source | ID | Title |
---|---|---|
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DSA-4978-1 | linux security update |
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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. |
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USN-5092-1 | Linux kernel vulnerabilities |
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USN-5092-2 | Linux kernel vulnerabilities |
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USN-5096-1 | Linux kernel (OEM) vulnerabilities |
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USN-5106-1 | Linux kernel (OEM) vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T02:59:31.000Z
Reserved: 2021-09-14T00:00:00
Link: CVE-2021-41073

No data.

Status : Modified
Published: 2021-09-19T17:15:07.227
Modified: 2024-11-21T06:25:23.367
Link: CVE-2021-41073


No data.