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NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package kernel-modules-internal  (opens in a new tab)

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  • Snyk IDSNYK-RHEL9-KERNELMODULESINTERNAL-7478868
  • published17 Jul 2024
  • disclosed12 Jul 2024
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Introduced: 12 Jul 2024

CVE-2024-40919  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-internal package and not the kernel-modules-internal package as distributed by RHEL.

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

bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send()

In case of token is released due to token->state == BNXT_HWRM_DEFERRED, released token (set to NULL) is used in log messages. This issue is expected to be prevented by HWRM_ERR_CODE_PF_UNAVAILABLE error code. But this error code is returned by recent firmware. So some firmware may not return it. This may lead to NULL pointer dereference. Adjust this issue by adding token pointer check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.