{"id":"CVE-2026-23291","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: properly drop the usb interface reference on disconnect\n\nWhen the device is disconnected from the driver, there is a \"dangling\"\nreference count on the usb i…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: properly drop the usb interface reference on disconnect\n\nWhen the device is disconnected from the driver, there is a \"dangling\"\nreference count on the usb i…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.1, < 5.10.253","linux_kernel >= 5.11, < 5.15.203","linux_kernel >= 5.16, < 6.1.167","linux_kernel >= 6.2, < 6.6.130","linux_kernel >= 6.7, < 6.12.77","linux_kernel >= 6.13, < 6.18.17","linux_kernel >= 6.19, < 6.19.7","linux_kernel = 7.0"],"patched":["linux_kernel 6.19.7"],"published":"2026-03-25","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:18:47.460","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23291","references":[{"url":"https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebeb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/12133a483dfa832241fbbf09321109a0ea8a520e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5be8aa2bcfb53158436182db8dee9d0b8e5901e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6645b030b0c1fc5bf338bffb0044238f24b2f770","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7398d6570501edc55a50ece820f369ab3c1df2e7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7ff14eb070f0efecb2606f8d7aa01b77d188e886","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00123,"epssPercentile":0.01842,"ingestedAt":"2026-10-15T03:30:12.839Z","slug":"CVE-2026-23291","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: properly drop the usb interface reference on disconnect\n\nWhen the device is disconnected from the driver, there is a \"dangling\"\nreference count on the usb interface that was grabbed in the probe\ncallback.  Fix this up by properly dropping the reference after we are\ndone with it.\n\n## Affected\n\n- `linux_kernel >= 3.1, < 5.10.253`\n- `linux_kernel >= 5.11, < 5.15.203`\n- `linux_kernel >= 5.16, < 6.1.167`\n- `linux_kernel >= 6.2, < 6.6.130`\n- `linux_kernel >= 6.7, < 6.12.77`\n- `linux_kernel >= 6.13, < 6.18.17`\n- `linux_kernel >= 6.19, < 6.19.7`\n- `linux_kernel = 7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.19.7`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}