VulnerabilityModified
CVE-2020-14314
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.
MEDIUM 5.5EPSS 0.36%
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.36% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel · debian/debian linux · canonical/ubuntu linux · starwindsoftware/starwind virtual san
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314Issue Tracking, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
- https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u
- https://usn.ubuntu.com/4576-1/Third Party Advisory
- https://usn.ubuntu.com/4578-1/Third Party Advisory
- https://usn.ubuntu.com/4579-1/Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20210325-0003/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314Issue Tracking, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
- https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u
- https://usn.ubuntu.com/4576-1/Third Party Advisory
- https://usn.ubuntu.com/4578-1/Third Party Advisory
- https://usn.ubuntu.com/4579-1/Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20210325-0003/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.