CVE-2021-38205 — Access of Uninitialized Pointer in Kernel

CWE-824 — Access of Uninitialized PointerCWE-200 — Sensitive Information Exposure24 documents8 sources
Severity
3.3LOWNVD
OSV8.7OSV6.5OSV5.5OSV4.7
EPSS
0.1%
top 78.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxDebian Linux+2 more
Timeline
PublishedAug 8
Latest updateMay 24

Description

drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer).

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitability: 1.8 | Impact: 1.4

Affected Packages6 packages

▶NVDlinux/linux_kernel< 5.13.3
▶Debianlinux/linux_kernel< 5.10.70-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-159.167+1

Also affects: Debian Linux 9.0

Patches

Patch: cdn.kernel.org ↗Patch: github.com ↗Patch: cdn.kernel.org ↗

🔴Vulnerability Details

11
GHSA
GHSA-mv45-h347-p3mv: drivers/net/ethernet/xilinx/xilinx_emaclite↗2022-05-24
▶
OSV
linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-ibm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-↗2021-10-22
▶
OSV
linux-oem-5.10 vulnerabilities↗2021-10-20
▶
OSV
linux, linux-bluefield, linux-gcp-5.4, linux-hwe-5.4, linux-kvm vulnerabilities↗2021-10-20
▶
OSV
linux-azure, linux-azure-5.11 regression↗2021-10-18
▶

💥Exploits & PoCs

1
Nuclei
Adobe ColdFusion - Access Control Bypass
▶

📋Vendor Advisories

11
Ubuntu
Linux kernel vulnerabilities↗2021-10-22
▶
Ubuntu
Linux kernel vulnerabilities↗2021-10-20
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2021-10-20
▶
Ubuntu
Linux kernel (Azure) regression↗2021-10-18
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2021-09-30
▶
CVE-2021-38205 — Access of Uninitialized Pointer | cvebase