b9f070c2f2
Resolves: CVE-2024-45781 CVE-2024-45783 CVE-2024-45778 Resolves: CVE-2024-45775 CVE-2024-45780 CVE-2024-45774 Resolves: CVE-2025-0690 CVE-2025-1118 CVE-2024-45782 Resolves: CVE-2025-0624 CVE-2024-45779 CVE-2024-45776 Resolves: CVE-2025-0622 CVE-2025-0677 Resolves: #RHEL-80691 Resolves: #RHEL-80690 Resolves: #RHEL-80689 Resolves: #RHEL-80687 Resolves: #RHEL-80686 Signed-off-by: Leo Sandoval <lsandova@redhat.com> Signed-off-by: Nicolas Frayer <nfrayer@redhat.com>
30 lines
1018 B
Diff
30 lines
1018 B
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Leo Sandoval <lsandova@redhat.com>
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Date: Wed, 8 Jan 2025 10:24:26 -0600
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Subject: [PATCH] term/ns8250: return in case of a null SPCR base addresses
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Serial SPCR MMIO null address are invalid, so return from function, otherwise
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invalid 'mmio,0' port names are generated halting the system when running
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terminal_input|output commands.
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Resolves: #RHEL-68622
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Signed-off-by: Leo Sandoval <lsandova@redhat.com>
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---
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grub-core/term/ns8250.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/grub-core/term/ns8250.c b/grub-core/term/ns8250.c
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index 23e8e0904..4ac0bc06a 100644
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--- a/grub-core/term/ns8250.c
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+++ b/grub-core/term/ns8250.c
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@@ -407,6 +407,9 @@ grub_serial_ns8250_add_mmio (grub_addr_t addr, unsigned int acc_size,
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struct grub_serial_port *p;
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unsigned i;
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+ if (addr == NULL)
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+ return NULL;
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+
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for (i = 0; i < GRUB_SERIAL_PORT_NUM; i++)
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if (com_ports[i].use_mmio == true && com_ports[i].mmio.base == addr)
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{
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