{"cve":"CVE-2024-50090","nvd":{"published":"2024-11-05T17:15:06.477","modified":"2026-08-04T11:21:17.800","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/oa: Fix overflow in oa batch buffer\n\nBy default xe_bb_create_job() appends a MI_BATCH_BUFFER_END to batch\nbuffer, this is not a problem if batch buffer is only used once but\noa reuses the batch buffer for the same metric and at each call\nit appends a MI_BATCH_BUFFER_END, printing the warning below and then\noverflowing.\n\n[  381.072016] ------------[ cut here ]------------\n[  381.072019] xe 0000:00:02.0: [drm] Assertion `bb->len * 4 + bb_prefetch(q->gt) <= size` failed!\n               platform: LUNARLAKE subplatform: 1\n               graphics: Xe2_LPG / Xe2_HPG 20.04 step B0\n               media: Xe2_LPM / Xe2_HPM 20.00 step B0\n               tile: 0 VRAM 0 B\n               GT: 0 type 1\n\nSo here checking if batch buffer already have MI_BATCH_BUFFER_END if\nnot append it.\n\nv2:\n- simply fix, suggestion from Ashutosh\n\n(cherry picked from commit 9ba0e0f30ca42a98af3689460063edfb6315718a)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-120"],"references":["https://git.kernel.org/stable/c/6c10ba06bb1b48acce6d4d9c1e33beb9954f1788","https://git.kernel.org/stable/c/bcb5be3421705e682b0b32073ad627056d6bc2a2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:07.693694550+00:00"},"epss":{"cve":"CVE-2024-50090","score":0.00217,"percentile":0.12188,"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."]}