{"cve":"CVE-2026-98935","nvd":{"published":"2026-10-23T13:17:14.377","modified":"2026-10-23T13:17:14.377","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: dev: zero-initialize struct rtc_wkalrm to prevent information leak\n\nThe struct rtc_wkalrm has padding holes after the 'pending' member.\nWhen returned to userspace via the RTC_WKALRM_RD ioctl, uninitialized\nkernel stack data residing in these holes may be leaked.\n\nZero-initialize the struct at declaration to eliminate this information\nleak risk.\n\nFixes smatch warnings:\n- drivers/rtc/dev.c:392 rtc_dev_ioctl() warn: check that 'alarm' doesn't\n  leak information (struct has a hole after 'pending')","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/00dc50cede96738dadc64b20e671186cddb8a58d","https://git.kernel.org/stable/c/0ee5c5d804d592a8328a425b9274487d393d3a05","https://git.kernel.org/stable/c/2838d7bbb551861c25187dfb581ed6e7a56762e9","https://git.kernel.org/stable/c/a2215eb3cbbd3d9d73cc18c08e3ef53f903443cb","https://git.kernel.org/stable/c/beda3c9730ad3087d01aa1d0415c40942042ec87"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:28.036610720+00:00"},"epss":{"cve":"CVE-2026-98935","score":0.00176,"percentile":0.0703,"date":"2026-10-25"},"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."]}