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Vulnerabilities

Vulnerability · CVE-2023-53270

In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written case It is possible for i_disksize can exceed

Published Sep 16, 2025 · catalog updated May 11, 2026 · Linux Linux

Check this week

CVE-2023-53270 is not in CISA KEV. FIRST estimates a 16.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
16.00%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 64769240bd07f446f83660bb143bb609d8ab4910 <18eb23891aeae3229baf8c7c23b76be3364e1967

In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written case It is possible for i_disksize can exceed i_size, triggering a warning. generic_perform_write copied = iov_iter_copy_from_user_atomic(len) // copied i_disksize, newsize) // update i_disksize | generic_write_end | copied = block_write_end(copied, len) // copied = 0 | if (unlikely(copied inode->i_size) // return false if (unlikely(copied == 0)) goto again; if (unlikely(iov_iter_fault_in_readable(i, bytes))) { status = -EFAULT; break; } We get i_disksize great

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 64769240bd07f446f83660bb143bb609d8ab4910 <18eb23891aeae3229baf8c7c23b76be3364e196764769240bd07f446f83660bb143bb609d8ab4910 <18eb23891aeae3229baf8c7c23b76be3364e1967

How to fix CVE-2023-53270

What to do

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

Should you patch?

CVE-2023-53270 is not in CISA KEV. FIRST estimates a 16.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux 64769240bd07f446f83660bb143bb609d8ab4910 <18eb23891aeae3229baf8c7c23b76be3364e1967 64769240bd07f446f83660bb143bb609d8ab4910 <18eb23891aeae3229baf8c7c23b76be3364e1967. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 16.00%. 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 16, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written case It is possible for i_disksize can exceed i_size, triggering a warning. generic_perform_write copied = iov_iter_copy_from_user_atomic(len) // copied i_disksize, newsize) // update i_disksize | generic_write_end | copied = block_write_end(copied, len) // copied

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written case It is possible for i_disksize can exceed i_size, triggering a warning. generic_perform_write copied = iov_iter_copy_from_user_atomic(len) // copied i_disksize, newsize) // update i_disksize | generic_write_end | copied = block_write_end(copied, len) // copied

Sources

  • CVE.orgVulnerability recordCVE-2023-53270

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2023-59919

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written case It is possible for i_disksize can exceed i_size, triggering a warning. generic_perform_write copied = iov_iter_copy_from_user_atomic(len) //

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 11, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.