CVE-2021-40490
HIGHCVSS 7/10EPSS 0.28%
Last modified
CVE-2021-40490 is a high-severity vulnerability rated 7/10 on the CVSS scale. A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.13.13 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 11.0 |
| Netapp | Aff A250 Firmware | All versions |
| Netapp | Fas 500f Firmware | All versions |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H300e Firmware | All versions |
| Netapp | H500e Firmware | All versions |
| Netapp | H700e Firmware | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | H410c Firmware | All versions |
| Netapp | H610c Firmware | All versions |
| Netapp | H610s Firmware | All versions |
| Netapp | H615c Firmware | All versions |
References
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211004-0001/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4978Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211004-0001/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4978Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40490?
A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.
How severe is CVE-2021-40490?
CVE-2021-40490 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40490?
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 2021
- CVE-2021-40485Microsoft Excel Remote Code Execution Vulnerability7.8
- CVE-2021-40486Microsoft Word Remote Code Execution Vulnerability7.8
- CVE-2021-40487Microsoft SharePoint Server Remote Code Execution Vulnerabil…8.1
- CVE-2021-40488Storage Spaces Controller Elevation of Privilege Vulnerabili…7.8
- CVE-2021-40489Storage Spaces Controller Elevation of Privilege Vulnerabili…7.8
- CVE-2021-4049livehelperchat is vulnerable to Cross-Site Request Forgery (…6.5
- CVE-2021-40491The ftp client in GNU Inetutils before 2.2 does not validate…6.5
- CVE-2021-40492A reflected XSS vulnerability exists in multiple pages in ve…6.1
- CVE-2021-40493Zoho ManageEngine OpManager before 125437 is vulnerable to S…9.8
- CVE-2021-40494A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale L…9.8
- CVE-2021-40495There are multiple Denial-of Service vulnerabilities in SAP …5.3
- CVE-2021-40496SAP Internet Communication framework (ICM) - versions 700, 7…4.3
Are you affected by CVE-2021-40490?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST