CVE-2023-53786

CVE-2023-53786 is a security vulnerability that is still awaiting full analysis and scoring. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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 `blockdev --getsize /dev/ram0` 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.

Frequently asked questions

What is 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 create flakey --table \ "0 `blockdev --getsize /dev/ram0` 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.
Is CVE-2023-53786 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-53786?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53786 have an EU (EUVD) identifier?
Yes. CVE-2023-53786 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60120.
When was CVE-2023-53786 published?
CVE-2023-53786 was published on 2025-12-09 and last updated on 2026-06-17.

References