CVE-2019-19056

Description

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/db8fd2cde93227e566a412cf53173ffa227998bc third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/ vendor advisory
https://security.netapp.com/advisory/ntap-20191205-0001/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html third party advisory mailing list
https://usn.ubuntu.com/4286-2/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html third party advisory mailing list
https://usn.ubuntu.com/4286-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4300-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4301-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4302-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-19056?
CVE-2019-19056 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19056?
To fix CVE-2019-19056, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19056 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-19056 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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