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LIN10-9801 : Security Advisory - linux - CVE-2022-0847

Created: Mar 7, 2022    Updated: Mar 13, 2022
Resolved Date: Mar 13, 2022
Found In Version: 10.17.41.1
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Kernel

Description

A flaw was found in the way the flags member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.

https://nvd.nist.gov/vuln/detail/CVE-2022-0847

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