diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2024-08-07 13:38:54 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2024-08-07 13:41:42 +0000 |
| commit | 8b400c8488f0b9e67ae269f6d8e5022a3bc7d854 (patch) | |
| tree | 5f649023e879609c5e903c029feb9a9401d57a6b | |
| parent | feaaac5e153babd35b5b29b7e255d52e9b8f1093 (diff) | |
ktrace: Fix an inverted privilege check
Approved by: so
Security: FreeBSD-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)
| -rw-r--r-- | sys/kern/kern_ktrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 555762185411..1c6a2ae01f3d 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -593,7 +593,7 @@ 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); |