Low severity · published Feb 6, 2024
CVE-2024-1048
A flaw was found in the grub2-set-bootflag utility of grub2
3.3
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not be removed and may fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
40 · source: NVD
GR
Grub2 · Gnu
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-1048
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-1048
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:2456
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:3184
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2024-1048
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2256827
Mailing List
https://www.openwall.com/lists/oss-security/2024/02/06/3
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/02/06/3
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