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Vulnerabilities

Vulnerability · CVE-2023-53217

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proc_create_single_data() conversion The conversion to proc_create_single_data() introdu

Published Sep 15, 2025 · catalog updated May 11, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2023-53217. EPSS is 0.17%. 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.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.17%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 3f3942aca6da351a12543aa776467791b63b3a78 <f70407e8e0272e00d133c5e039168ff1bae6bcac

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proc_create_single_data() conversion The conversion to proc_create_single_data() introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: # grep -r . /proc/bus/nubus/e/ Data read fault at 0x00000020 in Super Data (pc=0x1074c2) BAD KERNEL BUSERR Oops: 00000000 Modules linked in: PC: [ ] PDE_DATA+0xc/0x16 SR: 2010 SP: 38284958 a2: 01152370 d0: 00000001 d1: 01013000 d2: 01002790 d3: 00000000 d4: 00000001 d5: 0008ce2e a0: 00000000 a1: 00222a40 Process grep (pid: 45, task=142

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 3f3942aca6da351a12543aa776467791b63b3a78 <f70407e8e0272e00d133c5e039168ff1bae6bcac3f3942aca6da351a12543aa776467791b63b3a78 <f70407e8e0272e00d133c5e039168ff1bae6bcac

How to fix CVE-2023-53217

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-2023-53217. EPSS is 0.17%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux 3f3942aca6da351a12543aa776467791b63b3a78 <f70407e8e0272e00d133c5e039168ff1bae6bcac 3f3942aca6da351a12543aa776467791b63b3a78 <f70407e8e0272e00d133c5e039168ff1bae6bcac. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.17%. 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. Sep 15, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proc_create_single_data() conversion The conversion to proc_create_single_data() introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: # grep -r . /proc/bus/nubus/e/ Data read fault at 0x00000020 in Super Data (pc=0x1074c2) BAD KERNEL BUSERR Oops: 00000000 Modules linked

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proc_create_single_data() conversion The conversion to proc_create_single_data() introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: # grep -r . /proc/bus/nubus/e/ Data read fault at 0x00000020 in Super Data (pc=0x1074c2) BAD KERNEL BUSERR Oops: 00000000 Modules linked

Sources

  • CVE.orgVulnerability recordCVE-2023-53217

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53217

    30-day exploitation probability 0.17%

    first.org
  • EUVDVulnerability recordEUVD-2023-59867

    In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proc_create_single_data() conversion The conversion to proc_create_single_data() introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: # grep -r . /proc

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.