{"id":"CVE-2025-21882","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix vport QoS cleanup on error\n\nWhen enabling vport QoS fails, the scheduling node was never freed,\ncausing a leak.\n\nAdd the missing free and reset the vport …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix vport QoS cleanup on error\n\nWhen enabling vport QoS fails, the scheduling node was never freed,\ncausing a leak.\n\nAdd the missing free and reset the vport …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-401","CWE-772"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.13, < 6.13.6","linux_kernel = 6.14"],"patched":["linux_kernel 6.13.6"],"published":"2025-03-27","updated":"2026-07-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-21882","references":[{"url":"https://git.kernel.org/stable/c/7f3528f7d2f98b70e19a6bb7b130fc82c079ac54","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fead368502bce0e10bea7c0d2895b2fa0c6c10aa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21882.json"},{"url":"https://access.redhat.com/security/cve/CVE-2025-21882"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2355413"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-21882"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21882"},{"url":"https://lore.kernel.org/linux-cve-announce/2025032712-CVE-2025-21882-cc4d@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","score-dispute"],"epss":0.00185,"epssPercentile":0.07998,"ingestedAt":"2026-07-30T06:53:10.675Z","scores":{"nvd":7.8,"vendor":3.3},"slug":"CVE-2025-21882","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix vport QoS cleanup on error\n\nWhen enabling vport QoS fails, the scheduling node was never freed,\ncausing a leak.\n\nAdd the missing free and reset the vport scheduling node pointer to\nNULL.\n\n## Affected\n\n- `linux_kernel >= 6.13, < 6.13.6`\n- `linux_kernel = 6.14`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.13.6`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21882.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}