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Vulnerabilities

Vulnerability · CVE-2023-54266

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NU

Published Dec 30, 2025 · catalog updated May 23, 2026 · Linux Linux

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-54266. EPSS is 0.23%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
None0.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Version ranges on file
Affected products
vendor Linux Linux a2ab06d7c4d6bfd0b545a768247a70463e977e27 <4feed3dfca722c6d74865a37cab853c58e6aa190

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NULL, but not when a read error occurs. Revert the logic to avoid a small leak, should a m920x_read() call fail.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux a2ab06d7c4d6bfd0b545a768247a70463e977e27 <4feed3dfca722c6d74865a37cab853c58e6aa190a2ab06d7c4d6bfd0b545a768247a70463e977e27 <4feed3dfca722c6d74865a37cab853c58e6aa190

How to fix CVE-2023-54266

  • Upgrade

    CVE-2023-54266 lists a fix boundary at 4feed3dfca722c6d74865a37cab853c58e6aa190. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in a2ab06d7c4d6bfd0b545a768247a70463e977e27 <4feed3dfca722c6d74865a37cab853c58e6aa190

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-54266. EPSS is 0.23%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux a2ab06d7c4d6bfd0b545a768247a70463e977e27 <4feed3dfca722c6d74865a37cab853c58e6aa190 a2ab06d7c4d6bfd0b545a768247a70463e977e27 <4feed3dfca722c6d74865a37cab853c58e6aa190. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 30, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NULL, but not when a read error occurs. Revert the logic to avoid a small leak, should a m920x_read() call fail.

  2. May 23, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NULL, but not when a read error occurs. Revert the logic to avoid a small leak, should a m920x_read() call fail.

Sources

  • CVE.orgVulnerability recordCVE-2023-54266

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-54266

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2023-60375

    In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NULL, but not when a read error occurs. Revert the logic to avoid a small leak, should a m920x_read()

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026