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ktrace: Fix an inverted privilege check

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Approved by:	so
Security:	FreeBSD-24:06.ktrace
Security:	CVE-2024-6760
Fixes:	1762f674cc ("ktrace: pack all ktrace parameters into allocated structure ktr_io_params")

(cherry picked from commit 166b7573b5)
This commit is contained in:
Mark Johnston 2024-08-07 13:38:54 +00:00
parent feaaac5e15
commit 8b400c8488
1 changed files with 1 additions and 1 deletions
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2
sys/kern/kern_ktrace.c
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@ -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);