SUSE-SU-2023:4141-1: important: Security update for grub2
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Fri Oct 20 12:30:19 UTC 2023
# Security update for grub2
Announcement ID: SUSE-SU-2023:4141-1
Rating: important
References:
* bsc#1201300
* bsc#1215935
* bsc#1215936
Cross-References:
* CVE-2023-4692
* CVE-2023-4693
CVSS scores:
* CVE-2023-4692 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4693 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
* Basesystem Module 15-SP5
* Server Applications Module 15-SP5
* SUSE Linux Enterprise Desktop 15 SP5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves two vulnerabilities and has one security fix can now be
installed.
## Description:
This update for grub2 fixes the following issues:
Security fixes: \- CVE-2023-4692: Fixed an out-of-bounds write at fs/ntfs.c
which may lead to unsigned code execution. (bsc#1215935) \- CVE-2023-4693: Fixed
an out-of-bounds read at fs/ntfs.c which may lead to leak sensitive information.
(bsc#1215936)
Other fixes: \- Fix a boot delay issue in PowerPC PXE boot (bsc#1201300)
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2023-4141=1
* Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4141=1
* Server Applications Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4141=1
## Package List:
* SUSE Linux Enterprise Micro 5.5 (aarch64 s390x x86_64)
* grub2-2.06-150500.29.8.1
* grub2-debugsource-2.06-150500.29.8.1
* grub2-debuginfo-2.06-150500.29.8.1
* SUSE Linux Enterprise Micro 5.5 (noarch)
* grub2-i386-pc-2.06-150500.29.8.1
* grub2-arm64-efi-2.06-150500.29.8.1
* grub2-snapper-plugin-2.06-150500.29.8.1
* grub2-x86_64-efi-2.06-150500.29.8.1
* grub2-x86_64-xen-2.06-150500.29.8.1
* SUSE Linux Enterprise Micro 5.5 (s390x)
* grub2-s390x-emu-2.06-150500.29.8.1
* Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* grub2-2.06-150500.29.8.1
* grub2-debuginfo-2.06-150500.29.8.1
* Basesystem Module 15-SP5 (noarch)
* grub2-i386-pc-2.06-150500.29.8.1
* grub2-arm64-efi-2.06-150500.29.8.1
* grub2-snapper-plugin-2.06-150500.29.8.1
* grub2-powerpc-ieee1275-2.06-150500.29.8.1
* grub2-x86_64-efi-2.06-150500.29.8.1
* grub2-systemd-sleep-plugin-2.06-150500.29.8.1
* Basesystem Module 15-SP5 (aarch64 s390x x86_64)
* grub2-debugsource-2.06-150500.29.8.1
* Basesystem Module 15-SP5 (s390x)
* grub2-s390x-emu-2.06-150500.29.8.1
* Server Applications Module 15-SP5 (noarch)
* grub2-x86_64-xen-2.06-150500.29.8.1
## References:
* https://www.suse.com/security/cve/CVE-2023-4692.html
* https://www.suse.com/security/cve/CVE-2023-4693.html
* https://bugzilla.suse.com/show_bug.cgi?id=1201300
* https://bugzilla.suse.com/show_bug.cgi?id=1215935
* https://bugzilla.suse.com/show_bug.cgi?id=1215936
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