{"id":"AZL-110723","summary":"CVE-2026-98935 affecting package kernel 6.6.157.1-1","details":"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')","modified":"2026-10-30T05:35:37Z","published":"2026-10-23T13:17:14Z","upstream":["CVE-2026-98935"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98935"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.157.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-110723.json"}}],"schema_version":"1.9.2"}