6

CVE-2020-10742: linux linux_kernel Out-of-bounds Write

Modified
AliasesUBUNTU-CVE-2020-10742DEBIAN-CVE-2020-10742CGA-25c8-c438-52c5
Published 02-06-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-10742 is a medium (CVSS 6.0) Out-of-bounds Write vulnerability in linux linux_kernel. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 18.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.0/10
010
Medium · v3.1 (NVD)
EPSS score
0.26%
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 2 · Related 1
RHSA-2020:4060RHSA-2020:4062CGA-23JX-HHCX-M389

Timeline

  1. 02-06-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index after one memory allocation by kmalloc will cause a kernel panic. The highest threat from this vulnerability is to data confidentiality and system availability.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% 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

Affected systems

Version check

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

Chainguard83 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12All versions (No fix recorded) | < 6.12.65-r0
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Ubuntu17 products
  • linuxAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-azureAll versions (No fix recorded)
  • linux-azure-edgeAll versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
Debian1 product
  • linux< 3.16.2-2
Linux1 product
Redhat1 product

5 vendors · 103 products

References

4 links