CVE-2019-19056 — Missing Release of Memory after Effective Lifetime in Linux

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-400 — Uncontrolled Resource Consumption17 documents7 sources
Severity
4.7MEDIUMNVD
OSV7.5OSV5.5OSV4.6
EPSS
0.1%
top 75.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Linux KernelDebian LinuxCanonical Ubuntu Linux+3 more
Timeline
PublishedNov 18
Latest updateMay 24

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 vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages5 packages

▶Debianlinux/linux_kernel< 5.4.13-1+3
▶Ubuntulinux/linux_kernel< 4.4.0-174.204+1
▶NVDlinux/linux_kernel5.3.11
▶debiandebian/linux< linux 5.4.13-1 (bookworm)
▶NVDopensuse/leap15.1

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04, 19.10, Fedora 30, 31

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

7
GHSA
GHSA-r3f6-c7v2-24gr: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie↗2022-05-24
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OSV
linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0, linux-azure vulnerabilities↗2020-03-25
▶
OSV
linux, linux-aws, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-raspi2-5.3, linux-azure, linux-azure-5.3 vulnerabilities↗2020-03-25
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon, linux-azure vulnerabilities↗2020-03-25
▶
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2020-02-18
▶

📋Vendor Advisories

7
Ubuntu
Linux kernel vulnerabilities↗2020-03-25
▶
Ubuntu
Linux kernel vulnerabilities↗2020-03-25
▶
Ubuntu
Linux kernel vulnerabilities↗2020-03-25
▶
Ubuntu
Linux kernel vulnerabilities↗2020-02-18
▶
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities↗2020-02-18
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💬Community

2
Bugzilla
CVE-2019-19056 kernel: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c allows to cause DoS [fedora-all]↗2019-11-21
▶
Bugzilla
CVE-2019-19056 kernel: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c allows to cause DoS↗2019-11-21
▶