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CVE-2021-41073
Published: Sep 19, 2021
Modified: Aug 4, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
[oss-security] 20210918 Linux Kernel: Exploitable vulnerability in io_uring
mailing-list
x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/18/2
x_refsource_MISC
DSA-4978
vendor-advisory
x_refsource_DEBIAN
FEDORA-2021-884d245ef8
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-e0d6215753
vendor-advisory
x_refsource_FEDORA
https://security.netapp.com/advisory/ntap-20211014-0003/
x_refsource_CONFIRM
[oss-security] 20220604 Re: Linux Kernel: Exploitable vulnerability in io_uring
mailing-list
x_refsource_MLIST
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