Improper Validation of Array Index The advisory has been revoked - it doesn't affect any version of package bpftool (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS9-BPFTOOL-12068225
- published21 Aug 2025
- disclosed19 Aug 2025
Introduced: 19 Aug 2025
CVE-2025-38568 (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:
net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing
TCA_MQPRIO_TC_ENTRY_INDEX is validated using NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value TC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack write in the fp[] array, which only has room for 16 elements (0–15).
Fix this by changing the policy to allow only up to TC_QOPT_MAX_QUEUE - 1.
References
- https://access.redhat.com/security/cve/CVE-2025-38568
- https://git.kernel.org/stable/c/39491e859fd494d0b51adc5c7d54c8a7dcf1d198
- https://git.kernel.org/stable/c/66fc2ebdd9d5dd6e5a9c7edeace5a61a0ab2cd86
- https://git.kernel.org/stable/c/d00e4125680f7074c4f42ce3c297336f23128e70
- https://git.kernel.org/stable/c/f1a9dbcb7d17bf0abb325cdc984957cfabc59693
- https://git.kernel.org/stable/c/ffd2dc4c6c49ff4f1e5d34e454a6a55608104c17