CVE-2019-18808 — Missing Release of Memory after Effective Lifetime in Kernel

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-400 — Uncontrolled Resource Consumption21 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
28
Linux KernelDebian LinuxCanonical Ubuntu Linux+25 more
Timeline
PublishedNov 7
Latest updateAug 23

Description

A memory leak in the ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-128c66429247.

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 Packages15 packages

▶NVDlinux/linux_kernel< 5.15+3
▶Debianlinux/linux_kernel< 5.10.84-1+7
▶Ubuntulinux/linux_kernel< 4.15.0-118.119+1
▶CVEListV5linux/linux_kernelFixed in v5.15-rc4
▶debiandebian/linux< linux 5.14.12-1 (bookworm)+1

Also affects: Debian Linux 10.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 20.04, Enterprise Linux 8.6, 8, Fedora 30, 31, 33, 34, 35

Patches

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

🔴Vulnerability Details

6
OSV
CVE-2021-3764: A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service↗2022-08-23
▶
GHSA
GHSA-c269-fcrm-h58r: A memory leak in the ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops↗2022-05-24
▶
OSV
CVE-2021-3744: A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops↗2022-03-04
▶
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities↗2020-09-24
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities↗2020-09-23
▶

📋Vendor Advisories

10
Microsoft
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The hi↗2022-08-09
▶
Microsoft
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c which allows attackers to cause a denial of service (memory consumption). This vu↗2022-03-08
▶
Red Hat
kernel: DoS in ccp_run_aes_gcm_cmd() function↗2021-08-20
▶
Red Hat
kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd()↗2021-08-20
▶
Debian
CVE-2021-3744: linux - A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() fu...↗2021
▶

💬Community

2
Bugzilla
CVE-2019-18808 kernel: memory leak in ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c [fedora-all]↗2019-11-27
▶
Bugzilla
CVE-2019-18808 kernel: memory leak in ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c↗2019-11-27
▶