Improper Initialization Affecting kernel-default-devel package, versions <5.3.18-150300.59.54.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
12.09% (96th percentile)

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  • Snyk IDSNYK-SLES153-KERNELDEFAULTDEVEL-2641352
  • published14 Apr 2022
  • disclosed8 Mar 2022

Introduced: 8 Mar 2022

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

How to fix?

Upgrade SLES:15.3 kernel-default-devel to version 5.3.18-150300.59.54.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-devel package and not the kernel-default-devel package as distributed by SLES. See How to fix? for SLES:15.3 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