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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
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.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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CVE Modified by Red Hat, Inc.11/06/2023 10:17:08 PM
Action
Type
Old Value
New Value
Removed
CVSS V3
Red Hat, Inc. AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Added
CVSS V3.1
Red Hat, Inc. AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Modified Analysis by NIST10/19/2021 9:23:19 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
*cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Removed
CWE
NIST CWE-787
Changed
Reference Type
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html No Types Assigned
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html Mailing List, Third Party Advisory
Changed
Reference Type
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html No Types Assigned
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html Mailing List, Third Party Advisory
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2021/09/17/2 No Types Assigned
http://www.openwall.com/lists/oss-security/2021/09/17/2 Mailing List, Third Party Advisory
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2021/09/17/4 No Types Assigned
http://www.openwall.com/lists/oss-security/2021/09/17/4 Mailing List, Third Party Advisory
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2021/09/21/1 No Types Assigned
http://www.openwall.com/lists/oss-security/2021/09/21/1 Mailing List, Third Party Advisory
Changed
Reference Type
https://security.gentoo.org/glsa/202104-05 No Types Assigned
https://security.gentoo.org/glsa/202104-05 Third Party Advisory
Changed
Reference Type
https://usn.ubuntu.com/4432-1/ No Types Assigned
https://usn.ubuntu.com/4432-1/ Third Party Advisory