CVE-2019-19045Missing Release of Memory after Effective Lifetime in Kernel

Severity
4.4MEDIUMNVD
OSV9.8OSV8.8
EPSS
0.0%
top 88.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 18
Latest updateMay 24

Description

A memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.8 | Impact: 3.6

Affected Packages5 packages

NVDlinux/linux_kernel< 5.3.11
Debianlinux/linux_kernel< 5.3.15-1+3
Ubuntulinux/linux_kernel< 4.15.0-74.84
debiandebian/linux< linux 5.3.15-1 (bookworm)
NVDopensuse/leap15.1

Also affects: Ubuntu Linux 14.04, 16.04, 18.04, 19.04, 19.10

Patches

🔴Vulnerability Details

7
GHSA
GHSA-p59r-4vv6-2pvf: A memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn2022-05-24
OSV
linux-hwe vulnerabilities2020-01-18
OSV
linux-azure vulnerabilities2020-01-07
OSV
linux, linux-aws, linux-aws-5.0, linux-azure, linux-gcp, linux-gke-5.0, linux-kvm, linux-oem-osp1, linux-oracle, linux-oracle-5.0, linux-raspi2 vulnerabilities2020-01-07
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities2020-01-07

📋Vendor Advisories

7
Ubuntu
Linux kernel (HWE) vulnerabilities2020-01-18
Ubuntu
Linux kernel vulnerabilities2020-01-07
Ubuntu
Linux kernel vulnerabilities2020-01-07
Ubuntu
Linux kernel (Azure) vulnerabilities2020-01-07
Ubuntu
Linux kernel vulnerabilities2020-01-07

💬Community

2
Bugzilla
CVE-2019-19045 kernel: dos in mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c2019-11-21
Bugzilla
CVE-2019-19045 kernel: dos in mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c [fedora-all]2019-11-21