LSN-0079-1: linux Ubuntu

Published
Published 26-07-2021Last modified 03-06-2026

Vulnerability summary

LSN-0079-1 is a vulnerability in linux Ubuntu with no CVSS score yet.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0
CVE-2021-33909CVE-2021-3600

Timeline

  1. 26-07-2021
    PublishedVulnerability first disclosed.
  2. 03-06-2026
    Last modifiedVulnerability information updated.

Description

Kernel Live Patch Security Notice It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.(CVE-2021-3600) It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.(CVE-2021-33909)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu10 products
  • linux< 4.4.0-212.244 | < 4.15.0-151.157 | < 5.4.0-80.90
  • linux-gcp< 5.4.0-1049.53
  • linux-gke< 5.4.0-1049.52
  • linux-gke-4.15All versions (No fix recorded)
  • linux-gke-5.4< 5.4.0-1049.52~18.04.1

1 vendor · 10 products

References

3 links