CVE-2019-8980
HIGHCVSS 7.5/10EPSS 5.85%
Last modified
CVE-2019-8980 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.. EPSS estimates a 5.85% chance of exploitation in the next 30 days.
Description
A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.7, < 4.9.163 | — |
| Linux | Linux Kernel | >= 4.14, < 4.14.106 | — |
| Linux | Linux Kernel | >= 4.19, < 4.19.28 | — |
| Linux | Linux Kernel | >= 4.20, < 4.20.15 | — |
| Linux | Linux Kernel | >= 5.0, < 5.0.1 | — |
| Linux | Linux Kernel | 5.1 | Rc1 |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Canonical | Ubuntu Linux | 18.10 | — |
| Opensuse | Leap | 15.0 | — |
| Debian | Debian Linux | 8.0 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/107120Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://support.f5.com/csp/article/K56480726Third Party Advisory
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
- https://usn.ubuntu.com/3931-1/Third Party Advisory
- https://usn.ubuntu.com/3931-2/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/107120Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://support.f5.com/csp/article/K56480726Third Party Advisory
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
- https://usn.ubuntu.com/3931-1/Third Party Advisory
- https://usn.ubuntu.com/3931-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-8980?
A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.
How severe is CVE-2019-8980?
CVE-2019-8980 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.85% probability of exploitation in the next 30 days.
How do I fix CVE-2019-8980?
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.
Are you affected by CVE-2019-8980?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST