GHSA-4rpm-cvm4-wfmq

GHSA-4rpm-cvm4-wfmq PUBLISHED CVSS 7.800000190734863 HIGH

Record from GitHub Advisory Database · Published August 19, 2025

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.

Risk scores

CVSS 3.1

7.800000190734863

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Timeline

Aug 19, 2025 CVE Published
May 1, 2026 Security Advisory

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vulnetix vdb vuln GHSA-4rpm-cvm4-wfmq
vulnetix vdb fixes GHSA-4rpm-cvm4-wfmq

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