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Sicherheit: Denial of Service in grub2
Aktuelle Meldungen Distributionen
Name: Denial of Service in grub2
ID: FEDORA-2024-c1fabee30e
Distribution: Fedora
Plattformen: Fedora 38
Datum: Do, 21. März 2024, 06:43
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-1048
Applikationen: GRUB

Originalnachricht

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Fedora Update Notification
FEDORA-2024-c1fabee30e
2024-03-21 01:27:46.104995
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Name : grub2
Product : Fedora 38
Version : 2.06
Release : 116.fc38
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-2024-1048
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ChangeLog:

* Wed Feb 7 2024 Nicolas Frayer <nfrayer@redhat.com> - 2.06-116
- fs/xfs: Re-applied the XFS directory extent parsing patch
- Resolves: #2259266
* Wed Feb 7 2024 Nicolas Frayer <nfrayer@redhat.com> - 2.06-115
- grub-set-bootflag: Fix for CVE-2024-1048
- (CVE-2024-1048)
- Resolves: #2256678
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References:

[ 1 ] Bug #2256827 - CVE-2024-1048 grub2: grub2-set-bootflag can be abused by
local (pseudo-)users
https://bugzilla.redhat.com/show_bug.cgi?id=2256827
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2024-c1fabee30e' 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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