Date: Tue, 24 Feb 2026 16:00:39 +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: 5de6a55c70ba - releng/15.0 - rtsock: Fix stack overflow Message-ID: <699dcb27.27d52.51528588@gitrepo.freebsd.org>
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The branch releng/15.0 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=5de6a55c70ba97c9bded822df449228065519ac0 commit 5de6a55c70ba97c9bded822df449228065519ac0 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2026-02-23 15:52:50 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2026-02-23 16:39:42 +0000 rtsock: Fix stack overflow Approved by: so Security: FreeBSD-SA-26:05.route Security: CVE-2026-3038 Fixes: 92be2847e845 ("rtsock: Avoid copying uninitialized padding bytes") --- sys/net/rtsock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c index f0dcc973ca7c..42be9b174972 100644 --- a/sys/net/rtsock.c +++ b/sys/net/rtsock.c @@ -1866,8 +1866,8 @@ rtsock_msg_buffer(int type, struct rt_addrinfo *rtinfo, struct walkarg *w, int * #endif dlen = SA_SIZE(sa); if (cp != NULL && buflen >= dlen) { - KASSERT(dlen <= sizeof(ss), - ("%s: sockaddr size overflow", __func__)); + if (sa->sa_len > sizeof(ss)) + return (EINVAL); bzero(&ss, sizeof(ss)); bcopy(sa, &ss, sa->sa_len); sa = (struct sockaddr *)&ss;home | help
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