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CVE-2025-40301 The advisory has been revoked - it doesn't affect any version of package kernel-64k-devel-matched  (opens in a new tab)

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EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-ALMALINUX10-KERNEL64KDEVELMATCHED-15237258
  • published6 Feb 2026
  • disclosed2 Feb 2026
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Introduced: 2 Feb 2026

CVE-2025-40301  (opens in a new tab)

Amendment

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

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-devel-matched package and not the kernel-64k-devel-matched package as distributed by AlmaLinux.

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.