CVE-2024-49954 Affecting kernel-syms-coco package, versions <6.4.0-15061.9.coco15sp6.1


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-SLES156-KERNELSYMSCOCO-8542904
  • published20 Dec 2024
  • disclosed19 Dec 2024

Introduced: 19 Dec 2024

NewCVE-2024-49954  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 kernel-syms-coco to version 6.4.0-15061.9.coco15sp6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-syms-coco package and not the kernel-syms-coco package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

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

static_call: Replace pointless WARN_ON() in static_call_module_notify()

static_call_module_notify() triggers a WARN_ON(), when memory allocation fails in __static_call_add_module().

That's not really justified, because the failure case must be correctly handled by the well known call chain and the error code is passed through to the initiating userspace application.

A memory allocation fail is not a fatal problem, but the WARN_ON() takes the machine out when panic_on_warn is set.

Replace it with a pr_warn().

CVSS Scores

version 3.1