Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2019-8980
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-8980
3.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-8980
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-8980
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-8980
-
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1935698.html
[PATCH -next] exec: Fix mem leak in kernel_read_fileExploit;Mailing List;Third Party Advisory
-
https://support.f5.com/csp/article/K56480726
Article: K56480726 - Linux kernel vulnerability CVE-2019-8980Third Party Advisory
-
https://usn.ubuntu.com/3930-1/
USN-3930-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3931-1/
USN-3931-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
[SECURITY] [DLA 1771-1] linux-4.9 security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/3931-2/
USN-3931-2: Linux kernel (HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1935705.html
Re: [PATCH -next] exec: Fix mem leak in kernel_read_fileExploit;Mailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
[security-announce] openSUSE-SU-2019:1193-1: important: Security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/3930-2/
USN-3930-2: Linux kernel (HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/107120
Linux Kernel CVE-2019-8980 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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