CVE-2020-14386
HIGHCVSS 7.8/10EPSS 1.32%
Last modified
CVE-2020-14386 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. EPSS estimates a 1.32% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.6, < 4.9.239 | — |
| Linux | Linux Kernel | >= 4.10, < 4.14.201 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.150 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.64 | — |
| Linux | Linux Kernel | >= 5.5, < 5.8.8 | — |
| Linux | Linux Kernel | 5.9.0 | Rc1 |
| Debian | Debian Linux | 9.0 | — |
| Fedoraproject | Fedora | 33 | — |
| Opensuse | Leap | 15.1 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/09/17/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/17/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/21/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386Issue Tracking, Patch, Third Party 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://seclists.org/oss-sec/2020/q3/146Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/09/17/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/17/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/21/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386Issue Tracking, Patch, Third Party 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://seclists.org/oss-sec/2020/q3/146Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-14386?
A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.
How severe is CVE-2020-14386?
CVE-2020-14386 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-14386?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-14380An account takeover flaw was found in Red Hat Satellite 6.7.…7.5
- CVE-2020-14381A flaw was found in the Linux kernel’s futex implementation.…7.8
- CVE-2020-14382A vulnerability was found in upstream release cryptsetup-2.2…7.8
- CVE-2020-14383A flaw was found in samba's DNS server. An authenticated use…6.5
- CVE-2020-14384A flaw was found in JBossWeb in versions before 7.5.31.Final…7.5
- CVE-2020-14385A flaw was found in the Linux kernel before 5.9-rc4. A failu…5.5
- CVE-2020-14387A flaw was found in rsync in versions since 3.2.0pre1. Rsync…7.4
- CVE-2020-14388A flaw was found in the Red Hat 3scale API Management Platfo…6.3
- CVE-2020-14389It was found that Keycloak before version 12.0.0 would permi…8.1
- CVE-2020-1439A remote code execution vulnerability exists in PerformanceP…8.8
- CVE-2020-14390A flaw was found in the Linux kernel in versions before 5.9-…5.6
- CVE-2020-14391A flaw was found in the GNOME Control Center in Red Hat Ente…5.5
Are you affected by CVE-2020-14386?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST