{"cve":"CVE-2026-53068","nvd":{"published":"2026-06-24T17:17:19.900","modified":"2026-07-21T17:39:08.837","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/komeda: fix integer overflow in AFBC framebuffer size check\n\nThe AFBC framebuffer size validation calculates the minimum required\nbuffer size by adding the AFBC payload size to the framebuffer offset.\nThis addition is performed without checking for integer overflow.\n\nIf the addition oveflows, the size check may incorrectly succed and\nallow userspace to provide an undersized drm_gem_object, potentially\nleading to out-of-bounds memory access.\n\nAdd usage of check_add_overflow() to safely compute the minimum\nrequired size and reject the framebuffer if an overflow is detected.\nThis makes the AFBC size validation more robust against malformed.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-190"],"references":["https://git.kernel.org/stable/c/02ff8a7d3d0eecc546b9ab4c07b3d7c65d485583","https://git.kernel.org/stable/c/779ec12c85c9e4547519e3903a371a3b26a289de","https://git.kernel.org/stable/c/8165e8b28fdf392c2c7412518d602b4f193812a8","https://git.kernel.org/stable/c/872d923b852705054bc099af663da862fdc1097d","https://git.kernel.org/stable/c/a3a2a9bdc0f9c2d863a5a290cb2d4a565f7268e7"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53068","score":0.00167,"percentile":0.05903,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}