URL:
<https://savannah.gnu.org/bugs/?62072>
Summary: If a multicast RA message is received during UEFI
PXE boot, grub2 program will crash
Project: GNU GRUB
Submitted by: century6
Submitted on: Thu 17 Feb 2022 11:54:56 AM UTC
Category: Network
Severity: Major
Priority: 5 - Normal
Item Group: Software Error
Status: None
Privacy: Public
Assigned to: None
Originator Name: Qiumiao Zhang
Originator Email: zhangqiumi...@huawei.com
Open/Closed: Open
Release:
Release: 2.02
Discussion Lock: Any
Reproducibility: Every Time
Planned Release: None
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Details:
Versions affected: 2.02, 2.04
Reproduced on: UEFI PXE over IPv6
Tested on: QEMU virtual machine (aarch64) with Linux
During UEFI PXE boot in IPv6 network, if the DHCP server adopts stateful
automatic configuration, when the client receives the ICMP6_ROUTER_ADVERTISE
message multicast from the server, it will cause the problem of dereference
null pointer and cause the grub2 program to crash.
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File Attachments:
-------------------------------------------------------
Date: Thu 17 Feb 2022 11:54:56 AM UTC Name: grub2_1.png Size: 632KiB By:
century6
<http://savannah.gnu.org/bugs/download.php?file_id=52875>
-------------------------------------------------------
Date: Thu 17 Feb 2022 11:54:56 AM UTC Name: grub2_2.png Size: 5KiB By:
century6
<http://savannah.gnu.org/bugs/download.php?file_id=52876>
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Reply to this item at:
<https://savannah.gnu.org/bugs/?62072>
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