Date: Fri, 20 Jan 2023 17:59:59 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 264435] bhyve: hda_write() can index (and jump) beyond end of array Message-ID: <bug-264435-27103-RFrS5N5RaW@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-264435-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-264435-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264435 --- Comment #2 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Dbfe8e339eb77910c2eb739b45aaa93614= 8b33897 commit bfe8e339eb77910c2eb739b45aaa936148b33897 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2023-01-20 17:57:45 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2023-01-20 17:57:45 +0000 bhyve: Fix a global buffer overread in the PCI hda device model. hda_write did not validate the relative register offset before using it as an index into the hda_set_reg_table array to lookup a function pointer to execute after updating the register's value. PR: 264435 Reported by: Robert Morris <rtm@lcs.mit.edu> Reviewed by: corvink, markj, emaste Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D38127 usr.sbin/bhyve/pci_hda.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=
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