Off-by-one Error Affecting kernel-default package, versions <5.14.21-150500.55.62.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES155-KERNELDEFAULT-6856720
  • published16 May 2024
  • disclosed15 May 2024

Introduced: 15 May 2024

CVE-2022-48672  (opens in a new tab)
CWE-193  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-default to version 5.14.21-150500.55.62.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default package and not the kernel-default package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

of: fdt: fix off-by-one error in unflatten_dt_nodes()

Commit 78c44d910d3e ("drivers/of: Fix depth when unflattening devicetree") forgot to fix up the depth check in the loop body in unflatten_dt_nodes() which makes it possible to overflow the nps[] buffer...

Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.

CVSS Scores

version 3.1