{"cve":"CVE-2026-80605","nvd":{"published":"2026-08-28T08:16:44.450","modified":"2026-08-28T08:16:44.450","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()\n\nIn picolcd_send_and_wait(), an integer overflow of the signed loop counter\n'k' can theoretically lead to a NULL pointer dereference of 'raw_data'.\nIf the loop executes more than INT_MAX times, 'k' becomes negative,\nmaking the condition 'k < size' true even when 'size' is 0.\n\nChange the type of 'k' to 'unsigned int' to prevent the overflow and\neliminate the out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool.\n\n[jkosina@suse.com: extended hash length]","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0021eb09041f021c079be1022934a280f7f176c0","https://git.kernel.org/stable/c/42dc0b7b55fe0499fc09183f34a1c46d1dcccf77","https://git.kernel.org/stable/c/48caee2c106b03301c72fe389ebff00d852c58d5","https://git.kernel.org/stable/c/a02d5d7ad7ae5fa3756b8332f7350e973085dcb3","https://git.kernel.org/stable/c/d354e523c6f740db758cafcd4c11bb7913285ed8"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:50:50.842544443+00:00"},"epss":{"cve":"CVE-2026-80605","score":0.0022,"percentile":0.12517,"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."]}