vulnerability
Red Hat: CVE-2020-14311: CVE-2020-14311 grub2: Integer overflow in grub_ext2_read_link leads to heap-based buffer overflow (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:N/I:P/A:P) | Jul 29, 2020 | Jul 30, 2020 | Dec 15, 2023 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:N/I:P/A:P)
Published
Jul 29, 2020
Added
Jul 30, 2020
Modified
Dec 15, 2023
Description
There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.
Solution(s)
redhat-upgrade-fwupdredhat-upgrade-fwupd-debuginforedhat-upgrade-fwupd-debugsourceredhat-upgrade-fwupdateredhat-upgrade-fwupdate-debuginforedhat-upgrade-fwupdate-develredhat-upgrade-fwupdate-efiredhat-upgrade-fwupdate-libsredhat-upgrade-grub2redhat-upgrade-grub2-commonredhat-upgrade-grub2-debuginforedhat-upgrade-grub2-debugsourceredhat-upgrade-grub2-efi-aa64-modulesredhat-upgrade-grub2-efi-ia32redhat-upgrade-grub2-efi-ia32-cdbootredhat-upgrade-grub2-efi-ia32-modulesredhat-upgrade-grub2-efi-x64redhat-upgrade-grub2-efi-x64-cdbootredhat-upgrade-grub2-efi-x64-modulesredhat-upgrade-grub2-pcredhat-upgrade-grub2-pc-modulesredhat-upgrade-grub2-ppc-modulesredhat-upgrade-grub2-ppc64-modulesredhat-upgrade-grub2-ppc64le-modulesredhat-upgrade-grub2-toolsredhat-upgrade-grub2-tools-debuginforedhat-upgrade-grub2-tools-efiredhat-upgrade-grub2-tools-efi-debuginforedhat-upgrade-grub2-tools-extraredhat-upgrade-grub2-tools-extra-debuginforedhat-upgrade-grub2-tools-minimalredhat-upgrade-grub2-tools-minimal-debuginforedhat-upgrade-mokutilredhat-upgrade-mokutil-debuginforedhat-upgrade-shim-ia32redhat-upgrade-shim-unsigned-aa64-debuginforedhat-upgrade-shim-unsigned-ia32redhat-upgrade-shim-unsigned-ia32-debuginforedhat-upgrade-shim-unsigned-x64redhat-upgrade-shim-unsigned-x64-debuginforedhat-upgrade-shim-x64
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