CVE-2020-14390A flaw was found in the Linux kernel in versions before 5.9-rc6.
Updated under an hour ago ()
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It affects linux_kernel and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
- CVSS
- 5.6 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 2.2.3 before 5.9.0; 5.9.0; 5.9.0; 5.9.0; 5.9.0; 5.9.0; 5.9.0 | NVD |
debian debian_linux debian:debian_linux | 9.0 | NVD |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1876788x-refsource-misc
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.htmlvendor-advisory, x-refsource-suse
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlvendor-advisory, x-refsource-suse
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlmailing-list, x-refsource-mlist
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlmailing-list, x-refsource-mlist
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.