Date: Mon, 20 Feb 2023 14:34:10 GMT From: "Alexander V. Chernikov" <melifaro@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: d9d596bb2ce0 - stable/13 - netlink: fix OOB read in genetlink Message-ID: <202302201434.31KEYARa005812@gitrepo.freebsd.org>
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The branch stable/13 has been updated by melifaro: URL: https://cgit.FreeBSD.org/src/commit/?id=d9d596bb2ce04bbec5ea811342efd4216c1fc2a3 commit d9d596bb2ce04bbec5ea811342efd4216c1fc2a3 Author: Alexander V. Chernikov <melifaro@FreeBSD.org> AuthorDate: 2023-02-18 17:24:59 +0000 Commit: Alexander V. Chernikov <melifaro@FreeBSD.org> CommitDate: 2023-02-20 14:33:30 +0000 netlink: fix OOB read in genetlink CID: 1498863 MFC after: 1 day (cherry picked from commit 8f7455a9265f4952f885b06c08c57fcce6f16e5c) --- sys/netlink/netlink_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netlink/netlink_generic.c b/sys/netlink/netlink_generic.c index 066379e2afae..a16fdc312daa 100644 --- a/sys/netlink/netlink_generic.c +++ b/sys/netlink/netlink_generic.c @@ -267,7 +267,7 @@ genl_handle_message(struct nlmsghdr *hdr, struct nl_pstate *npt) int family_id = (int)hdr->nlmsg_type - GENL_MIN_ID; - if (__predict_false(family_id < 0 || family_id > MAX_FAMILIES)) { + if (__predict_false(family_id < 0 || family_id >= MAX_FAMILIES)) { NLP_LOG(LOG_DEBUG, nlp, "invalid message type: %d", hdr->nlmsg_type); return (ENOTSUP); }
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