CVE-2019-19077Missing Release of Memory after Effective Lifetime in Linux

Severity
5.5MEDIUMNVD
OSV7.5
EPSS
0.1%
top 69.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 18
Latest updateMay 24

Description

A memory leak in the bnxt_re_create_srq() function in drivers/infiniband/hw/bnxt_re/ib_verbs.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering copy to udata failures, aka CID-4a9d46a9fe14.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

Debianlinux/linux_kernel< 5.4.6-1+3
NVDlinux/linux_kernel5.3.11
debiandebian/linux< linux 5.4.6-1 (bookworm)
NVDopensuse/leap15.1

Also affects: Ubuntu Linux 18.04, 19.10

Patches

🔴Vulnerability Details

4
GHSA
GHSA-52jh-9w82-58c3: A memory leak in the bnxt_re_create_srq() function in drivers/infiniband/hw/bnxt_re/ib_verbs2022-05-24
OSV
linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-raspi2-5.3 vulnerabilities2020-02-19
OSV
linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0 vulnerabilities2020-01-29
OSV
CVE-2019-19077: A memory leak in the bnxt_re_create_srq() function in drivers/infiniband/hw/bnxt_re/ib_verbs2019-11-18

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities2020-02-19
Ubuntu
Linux kernel vulnerabilities2020-01-29
Red Hat
kernel: memory leak in bnxt_re_create_srq function in drivers/infiniband/hw/bnxt_re/ib_verbs.c2019-09-10
Debian
CVE-2019-19077: linux - A memory leak in the bnxt_re_create_srq() function in drivers/infiniband/hw/bnxt...2019

💬Community

2
Bugzilla
CVE-2019-19077 kernel: memory leak in bnxt_re_create_srq function in drivers/infiniband/hw/bnxt_re/ib_verbs.c2019-11-22
Bugzilla
CVE-2019-19077 kernel: memory leak in bnxt_re_create_srq function in drivers/infiniband/hw/bnxt_re/ib_verbs.c [fedora-all]2019-11-22