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CVE-2025-40301 The advisory has been revoked - it doesn't affect any version of package perf  (opens in a new tab)

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EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-ALMALINUX10-PERF-15237221
  • 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 perf package and not the perf 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.