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

Published 2019-11-18 06:15:12

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-19056

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-19056

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
4.7	MEDIUM	AV:L/AC:M/Au:N/C:N/I:N/A:C	3.4	6.9	[email protected]
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
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	[email protected]
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2019-19056

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

Assigned by: [email protected] (Primary)

References for CVE-2019-19056

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html

Third Party Advisory

CVEs referencing this url
https://github.com/torvalds/linux/commit/db8fd2cde93227e566a412cf53173ffa227998bc

Patch;Third Party Advisory
https://usn.ubuntu.com/4300-1/

Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/4286-1/

Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/[email protected]/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/

Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20191205-0001/

Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html

Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/4302-1/

Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/4286-2/

Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/[email protected]/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/

Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/4301-1/

Third Party Advisory

CVEs referencing this url

Products affected by CVE-2019-19056

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions up to, including, (<=) 5.3.11
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 19.10
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 31
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 30
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions