Improper Locking The advisory has been revoked - it doesn't affect any version of package bpftool  (opens in a new tab)


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EPSS
0.17% (7th percentile)

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  • Snyk IDSNYK-CENTOS9-BPFTOOL-8826159
  • published28 Feb 2025
  • disclosed19 Nov 2024

Introduced: 19 Nov 2024

CVE-2024-53085  (opens in a new tab)
CWE-667  (opens in a new tab)

Amendment

The Centos security team deemed this advisory irrelevant for Centos:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos.

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

tpm: Lock TPM chip in tpm_pm_suspend() first

Setting TPM_CHIP_FLAG_SUSPENDED in the end of tpm_pm_suspend() can be racy according, as this leaves window for tpm_hwrng_read() to be called while the operation is in progress. The recent bug report gives also evidence of this behaviour.

Aadress this by locking the TPM chip before checking any chip->flags both in tpm_pm_suspend() and tpm_hwrng_read(). Move TPM_CHIP_FLAG_SUSPENDED check inside tpm_get_random() so that it will be always checked only when the lock is reserved.