ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-53786

In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup cr

Published Dec 9, 2025 · catalog updated May 11, 2026 · Linux Linux

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-53786. 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 a3998799fb4df0b0af8271a7d50c4269032397aa <337b7af273562b73c46ef77a724604ad139ca762

In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.

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 a3998799fb4df0b0af8271a7d50c4269032397aa <337b7af273562b73c46ef77a724604ad139ca762a3998799fb4df0b0af8271a7d50c4269032397aa <337b7af273562b73c46ef77a724604ad139ca762

How to fix CVE-2023-53786

  • Upgrade

    CVE-2023-53786 lists a fix boundary at 337b7af273562b73c46ef77a724604ad139ca762. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in a3998799fb4df0b0af8271a7d50c4269032397aa <337b7af273562b73c46ef77a724604ad139ca762

  • 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-2023-53786. 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 a3998799fb4df0b0af8271a7d50c4269032397aa <337b7af273562b73c46ef77a724604ad139ca762 a3998799fb4df0b0af8271a7d50c4269032397aa <337b7af273562b73c46ef77a724604ad139ca762. 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 9, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.

Sources

  • CVE.orgVulnerability recordCVE-2023-53786

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53786

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2023-60120

    In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026