{"id":"CVE-2023-53080","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: Add missing overflow check in xdp_umem_reg\n\nThe number of chunks can overflow u32","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: Add missing overflow check in xdp_umem_reg\n\nThe number of chunks can overflow u32. Make sure to return -EINVAL on\noverflow. Also remove a redundant u32 cast assign…","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","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.18, < 5.10.177","linux_kernel >= 5.11, < 5.15.105","linux_kernel >= 5.16, < 6.1.22","linux_kernel >= 6.2, < 6.2.9","linux_kernel = 6.3"],"patched":["linux_kernel 6.2.9"],"published":"2025-05-02","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:36.317","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-53080","references":[{"url":"https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00227,"epssPercentile":0.13301,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:33:24.637741Z"},"ingestedAt":"2026-10-15T22:48:25.387Z","slug":"CVE-2023-53080","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nxsk: Add missing overflow check in xdp_umem_reg\n\nThe number of chunks can overflow u32. Make sure to return -EINVAL on\noverflow. Also remove a redundant u32 cast assigning umem->npgs.\n\n## Affected\n\n- `linux_kernel >= 4.18, < 5.10.177`\n- `linux_kernel >= 5.11, < 5.15.105`\n- `linux_kernel >= 5.16, < 6.1.22`\n- `linux_kernel >= 6.2, < 6.2.9`\n- `linux_kernel = 6.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.2.9`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}