{"id":"CVE-2026-98935","published":"2026-10-23T13:17:14.377","lastModified":"2026-10-23T13:17:14.377","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')","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/00dc50cede96738dadc64b20e671186cddb8a58d","tags":[]},{"url":"https://git.kernel.org/stable/c/0ee5c5d804d592a8328a425b9274487d393d3a05","tags":[]},{"url":"https://git.kernel.org/stable/c/2838d7bbb551861c25187dfb581ed6e7a56762e9","tags":[]},{"url":"https://git.kernel.org/stable/c/a2215eb3cbbd3d9d73cc18c08e3ef53f903443cb","tags":[]},{"url":"https://git.kernel.org/stable/c/beda3c9730ad3087d01aa1d0415c40942042ec87","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}