Vulnerability Details : CVE-2019-19056
A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mwifiex_map_pci_memory() failures, aka CID-db8fd2cde932.
Vulnerability category: Denial of service
Products affected by CVE-2019-19056
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-19056
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19056
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST | |
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2019-19056
-
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-2019-19056
-
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
[security-announce] openSUSE-SU-2019:2675-1: important: Security updateThird Party Advisory
-
https://github.com/torvalds/linux/commit/db8fd2cde93227e566a412cf53173ffa227998bc
mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf · torvalds/linux@db8fd2c · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/4300-1/
USN-4300-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/4286-1/
USN-4286-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
[SECURITY] [DLA 2114-1] linux-4.9 security updateThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
[SECURITY] Fedora 31 Update: kernel-5.3.12-300.fc31 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://security.netapp.com/advisory/ntap-20191205-0001/
November 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
[SECURITY] [DLA 2068-1] linux security updateThird Party Advisory
-
https://usn.ubuntu.com/4302-1/
USN-4302-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/4286-2/
USN-4286-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
[SECURITY] Fedora 30 Update: kernel-5.3.12-200.fc30 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://usn.ubuntu.com/4301-1/
USN-4301-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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