CVE-2023-53270 — Improper Handling of Length Parameter Inconsistency in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 16
Description
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;
i…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linux64769240bd07f446f83660bb143bb609d8ab4910 — 18eb23891aeae3229baf8c7c23b76be3364e1967+5
Patches
🔴Vulnerability Details
2OSV▶
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 poss↗2025-09-16
GHSA▶
GHSA-m2rj-qwwv-825v: In the Linux kernel, the following vulnerability has been resolved:
ext4: fix i_disksize exceeding i_size problem in paritally written case
It is po↗2025-09-16