Date: Wed, 7 Aug 2024 15:43:51 GMT 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: a87a5973132b - releng/13.4 - ktrace: Fix an inverted privilege check Message-ID: <202408071543.477Fhpsw039505@gitrepo.freebsd.org>
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The branch releng/13.4 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=a87a5973132ba396c870068083395761e794ce47 commit a87a5973132ba396c870068083395761e794ce47 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2024-08-07 13:38:54 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2024-08-07 15:43:39 +0000 ktrace: Fix an inverted privilege check Approved by: so Approved by: re (cperciva) Security: FreeBSD-SA-24:06.ktrace Security: CVE-2024-6760 Fixes: 1762f674ccb5 ("ktrace: pack all ktrace parameters into allocated structure ktr_io_params") (cherry picked from commit 166b7573b5220aadf8b02a85933c9651b909b309) (cherry picked from commit f702110bc4bcc593b38674ec6e4fadf6c4626432) --- sys/kern/kern_ktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 2729d0880b31..cc51dbae46f7 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -585,7 +585,7 @@ ktrprocexec(struct proc *p) PROC_LOCK_ASSERT(p, MA_OWNED); kiop = p->p_ktrioparms; - if (kiop == NULL || priv_check_cred(kiop->cr, PRIV_DEBUG_DIFFCRED)) + if (kiop == NULL || priv_check_cred(kiop->cr, PRIV_DEBUG_DIFFCRED) == 0) return (NULL); mtx_lock(&ktrace_mtx);
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