Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.3.11 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 30 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlThird Party Advisory
- https://github.com/torvalds/linux/commit/db8fd2cde93227e566a412cf53173ffa227998bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
- https://usn.ubuntu.com/4286-1/Third Party Advisory
- https://usn.ubuntu.com/4286-2/Third Party Advisory
- https://usn.ubuntu.com/4300-1/Third Party Advisory
- https://usn.ubuntu.com/4301-1/Third Party Advisory
- https://usn.ubuntu.com/4302-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlThird Party Advisory
- https://github.com/torvalds/linux/commit/db8fd2cde93227e566a412cf53173ffa227998bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlThird Party Advisory
FAQ
What is CVE-2019-19056?
CVE-2019-19056 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 co...
How severe is CVE-2019-19056?
CVE-2019-19056 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19056?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap.