CVE-2021-38205: debian debian_linux Access of Uninitialized Pointer

Modified

AliasesUBUNTU-CVE-2021-38205DEBIAN-CVE-2021-38205

Published 08-08-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-38205 is a low (CVSS 3.3) Access of Uninitialized Pointer vulnerability in debian debian_linux. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24.4% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

3.3/10

010

Low · v3.1 (NVD)

EPSS score

0.32%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 21 · Related 17

Timeline

08-08-2021
PublishedVulnerability first disclosed.
04-08-2024
Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

v3.13.3v2.02.1

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.32% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-824Access of Uninitialized PointerThe product accesses or uses a pointer that has not been initialized.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu61 products

linuxAll versions (No fix recorded) | < 4.15.0-159.167 | < 5.4.0-89.100
linux-awsAll versions (No fix recorded) | < 4.15.0-1112.119 | < 5.4.0-1058.61
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11< 5.11.0-1019.20~20.04.1
linux-aws-5.3All versions (No fix recorded)

linux-aws-5.4< 5.4.0-1058.61~18.04.3
linux-aws-5.8All versions (No fix recorded)
linux-aws-fips< 4.15.0-2054.56 | All versions (No fix recorded) | < 5.4.0-1069.73+fips2
linux-aws-hwe< 4.15.0-1112.119~16.04.1
linux-azure< 4.15.0-1124.137~14.04.1 | < 4.15.0-1124.137~16.04.1 | All versions (No fix recorded) | < 5.4.0-1062.65
linux-azure-4.15< 4.15.0-1124.137
linux-azure-5.11< 5.11.0-1017.18~20.04.1
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1062.65~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fips< 4.15.0-2036.40 | All versions (No fix recorded) | < 5.4.0-1073.76+fips1
linux-bluefield< 5.4.0-1020.23
linux-dell300x< 4.15.0-1028.33
linux-fipsAll versions (No fix recorded) | < 4.15.0-1070.79 | < 5.4.0-1035.41
linux-gcp< 4.15.0-1109.123~16.04.1 | All versions (No fix recorded) | < 5.4.0-1056.60
linux-gcp-4.15< 4.15.0-1109.123
linux-gcp-5.11< 5.11.0-1020.22~20.04.1
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1056.60~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-edgeAll versions (No fix recorded)
linux-gcp-fips< 4.15.0-2019.21 | All versions (No fix recorded) | < 5.4.0-1067.71~20.04.1
linux-gke< 5.4.0-1054.57
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.4< 5.4.0-1054.57~18.04.1
linux-gkeop< 5.4.0-1025.26
linux-gkeop-5.4< 5.4.0-1025.26~18.04.1
linux-hwe< 4.15.0-159.167~16.04.1 | All versions (No fix recorded)
linux-hwe-5.11< 5.11.0-37.41~20.04.2
linux-hwe-5.4< 5.4.0-89.100~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1006.7
linux-intel-iot-realtimeAll versions (No fix recorded)
linux-kvmAll versions (No fix recorded) | < 4.15.0-1100.102 | < 5.4.0-1048.50
linux-lts-xenialAll versions (No fix recorded)
linux-oemAll versions (No fix recorded)
linux-oem-5.10< 5.10.0-1050.52
linux-oem-5.13< 5.13.0-1014.18
linux-oem-5.6All versions (No fix recorded)
linux-oracle< 4.15.0-1081.89~16.04.1 | < 4.15.0-1081.89 | < 5.4.0-1056.60
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11< 5.11.0-1019.20~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1056.60~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-raspi< 5.4.0-1045.49
linux-raspi-5.4< 5.4.0-1045.49~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2< 4.15.0-1096.102 | All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded)
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11< 5.11.0-1020.21~20.04.1
linux-riscv-5.8All versions (No fix recorded)
linux-snapdragon< 4.15.0-1113.122