Improper Initialization Affecting perf-debuginfo package, versions <0:4.18.0-348.20.1.el8_5


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
12.09% (96th percentile)

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  • Snyk IDSNYK-ROCKY8-PERFDEBUGINFO-3276897
  • published3 Feb 2023
  • disclosed10 Mar 2022

Introduced: 10 Mar 2022

CVE-2022-0847  (opens in a new tab)
CWE-665  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 perf-debuginfo to version 0:4.18.0-348.20.1.el8_5 or higher.
This issue was patched in RLSA-2022:0825.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1