CVE-2022-0847 (GCVE-0-2022-0847)

Vulnerability from cvelistv5 – Published: 2022-03-07 00:00 – Updated: 2025-10-21 23:15
VLAI? CISA
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
n/a kernel Affected: Linux Kernel 5.17 rc6
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2022-04-25

Due date: 2022-05-16

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

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

Show details on NVD website

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