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Fedora Update Notification
FEDORA-2024-2b545d3085
2024-04-23 01:14:25.531259
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Name        : grub2
Product     : Fedora 40
Version     : 2.06
Release     : 121.fc40
URL         : http://www.gnu.org/software/grub/
Summary     : Bootloader with support for Linux, Multiboot and more
Description :

The GRand Unified Bootloader (GRUB) is a highly configurable and
customizable bootloader with modular architecture.  It supports a rich
variety of kernel formats, file systems, computer architectures and
hardware devices.

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Update Information:

Security fix for CVE-2023-4692
Security fix for CVE-2023-4693
Fri Apr 12 2024 Nicolas Frayer nfrayer@redhat.com - 2.06-121
fs/xfs: Handle non-continuous data blocks in directory extents
Related: #2254370
Fri Mar 08 2024 Nicolas Frayer nfrayer@redhat.com - 2.06-120
GRUB2 NTFS driver vulnerabilities
(CVE-2023-4692)
(CVE-2023-4693)
Resolves: #2236613
Resolves: #2241978
Resolves: #2241976
Resolves: #2238343
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ChangeLog:

* Fri Apr 12 2024 Nicolas Frayer  - 2.06-121
- fs/xfs: Handle non-continuous data blocks in directory extents
- Related: #2254370
* Fri Mar  8 2024 Nicolas Frayer  - 2.06-120
- GRUB2 NTFS driver vulnerabilities
- (CVE-2023-4692)
- (CVE-2023-4693)
- Resolves: #2236613
- Resolves: #2241978
- Resolves: #2241976
- Resolves: #2238343
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References:

  [ 1 ] Bug #2236613 - CVE-2023-4692 grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution
        https://bugzilla.redhat.com/show_bug.cgi?id=2236613
  [ 2 ] Bug #2238343 - CVE-2023-4693 grub2: out-of-bounds read at fs/ntfs.c
        https://bugzilla.redhat.com/show_bug.cgi?id=2238343
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2024-2b545d3085' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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