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CVE-2019-19056

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Date: November 18, 2019

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.

Language: C

Severity Score

Related Resources (19)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
https://security-tracker.debian.org/tracker/CVE-2019-19056
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
https://github.com/torvalds/linux/commit/db8fd2cde93227e566a412cf53173ffa227998bc
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19056
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
https://nvd.nist.gov/vuln/detail/CVE-2019-19056
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4286-1/
https://usn.ubuntu.com/4300-1/
https://access.redhat.com/security/cve/CVE-2019-19056
https://usn.ubuntu.com/4286-2/
https://usn.ubuntu.com/4301-1/
https://usn.ubuntu.com/4302-1/
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
https://www.mend.io/vulnerability-database/CVE-2019-19056

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Missing Release of Memory after Effective Lifetime

CWE-401

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-libc-headers - 5.8

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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