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grub2: grub2-set-bootflag can be abused by local (pseudo-)users

🗓️ 22 May 2024 10:18:20Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Grub2 set-bootflag may leave temporary files before rename after the CVE-2019-14865 fix, wasting disk space.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8noarchgrub2-common1:2.02-156.el8grub2-common-1:2.02-156.el8.noarch.rpm
Red Hat Enterprise Linux8aarch64grub2-debuginfo1:2.02-156.el8grub2-debuginfo-1:2.02-156.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64legrub2-debuginfo1:2.02-156.el8grub2-debuginfo-1:2.02-156.el8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64grub2-debuginfo1:2.02-156.el8grub2-debuginfo-1:2.02-156.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64grub2-debugsource1:2.02-156.el8grub2-debugsource-1:2.02-156.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64legrub2-debugsource1:2.02-156.el8grub2-debugsource-1:2.02-156.el8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64grub2-debugsource1:2.02-156.el8grub2-debugsource-1:2.02-156.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64grub2-efi-aa641:2.02-156.el8grub2-efi-aa64-1:2.02-156.el8.aarch64.rpm
Red Hat Enterprise Linux8aarch64grub2-efi-aa64-cdboot1:2.02-156.el8grub2-efi-aa64-cdboot-1:2.02-156.el8.aarch64.rpm
Red Hat Enterprise Linux8noarchgrub2-efi-aa64-modules1:2.02-156.el8grub2-efi-aa64-modules-1:2.02-156.el8.noarch.rpm
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18 Mar 2026 02:29Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.13.3
EPSS0.00269
SSVC
5