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Alpine Linux: CVE-2020-14311: Integer Overflow or Wraparound

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Alpine Linux: CVE-2020-14311: Integer Overflow or Wraparound

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:N/I:P/A:P)
Published
07/31/2020
Created
08/23/2024
Added
08/22/2024
Modified
10/02/2024

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)

  • alpine-linux-upgrade-grub

References

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