CVE-2021-41073

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//maps for exploitation.

Link	Resource
http://www.openwall.com/lists/oss-security/2021/09/18/2	Mailing List Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc	Patch Vendor Advisory
https://www.debian.org/security/2021/dsa-4978	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20211014-0003/	Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/4	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*

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Published : 2021-09-19 05:15

Updated : 2023-01-11 04:57

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NVD link : CVE-2021-41073

Mitre link : CVE-2021-41073

No products.

CWE-269