Date: Wed, 29 Jul 2026 17:50:30 +0000 From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: e1c9b0b13a29 - releng/15.1 - ktimer: Check for errors from realtimer_gettime() Message-ID: <6a6a3d66.3be21.5a0810e5@gitrepo.freebsd.org>
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The branch releng/15.1 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=e1c9b0b13a29f69d18dcc24359d7830a9493c5d5 commit e1c9b0b13a29f69d18dcc24359d7830a9493c5d5 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2026-07-17 13:08:33 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2026-07-28 17:34:40 +0000 ktimer: Check for errors from realtimer_gettime() clock_gettime(CLOCK_TAI) can fail, leaving *ovalue uninitialized. Approved by: so Security: FreeBSD-SA-26:51.ktimer Security: CVE-2026-58084 Reported by: Hazley Samsudin of GovTech CSG MFC after: 3 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D58225 (cherry picked from commit 2f1ec7d159cbe56d40e7b6d7fc4188c9079e1783) (cherry picked from commit a4b5ff57ef85031ba52feb70c754ba77f7c92cb0) --- sys/kern/kern_time.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c index 5b7485c25cd7..3e8117c40adc 100644 --- a/sys/kern/kern_time.c +++ b/sys/kern/kern_time.c @@ -1631,8 +1631,11 @@ realtimer_settime(struct itimer *it, int flags, struct itimerspec *value, timespecclear(&val.it_interval); } - if (ovalue != NULL) - realtimer_gettime(it, ovalue); + if (ovalue != NULL) { + error = realtimer_gettime(it, ovalue); + if (error != 0) + return (error); + } it->it_time = val; if (timespecisset(&val.it_value)) {home | help
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