CVE-2020-14314

Description

A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.

References

https://www.starwindsoftware.com/security/sw-20210325-0003/

https://usn.ubuntu.com/4579-1/

https://usn.ubuntu.com/4578-1/

https://usn.ubuntu.com/4576-1/

https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u

https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html

https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3