CVE-2024-1048
Grub2: grub2-set-bootflag can be abused by local (pseudo-)users
Vexday Risk Score
8Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 3.3EPSS 0.3%KEV nãoPoC —Patch referenciado
Lifecycle
06 Feb 2024Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
grub2Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://access.redhat.com/errata/RHSA-2024:2456https://access.redhat.com/errata/RHSA-2024:3184https://access.redhat.com/security/cve/CVE-2024-1048https://bugzilla.redhat.com/show_bug.cgi?id=2256827https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XRZQCVZ3XOASVFT6XLO7F2ZXOLOHIJZQ/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YSJAEGRR3XHMBBBKYOVMII4P34IXEYPE/https://security.netapp.com/advisory/ntap-20240223-0007/https://www.openwall.com/lists/oss-security/2024/02/06/3http://www.openwall.com/lists/oss-security/2024/02/06/3