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Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package kernel-rt-debug-kvm  (opens in a new tab)

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EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-CENTOS10-KERNELRTDEBUGKVM-14225779
  • published9 Dec 2025
  • disclosed8 Dec 2025
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Introduced: 8 Dec 2025

CVE-2025-40301  (opens in a new tab)
CWE-125  (opens in a new tab)

Amendment

The Centos security team deemed this advisory irrelevant for Centos:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos.

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

Bluetooth: hci_event: validate skb length for unknown CC opcode

In hci_cmd_complete_evt(), if the command complete event has an unknown opcode, we assume the first byte of the remaining skb->data contains the return status. However, parameter data has previously been pulled in hci_event_func(), which may leave the skb empty. If so, using skb->data[0] for the return status uses un-init memory.

The fix is to check skb->len before using skb->data.