Amazon Linux AMI: CVE-2022-0847: Security patch for kernel (ALAS-2022-1571)
7
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
03/07/2022
03/12/2022
03/10/2022
05/03/2022
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.
Solution(s)
- amazon-linux-upgrade-kernel
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