CVE-2026-46329
erofs: handle end of filesystem properly for file-backed mounts
Description
In the Linux kernel, the following vulnerability has been resolved: erofs: handle end of filesystem properly for file-backed mounts I/O requests beyond the end of the filesystem should be zeroed out, similar to loopback devices and that is what we expect.
INFO
Published Date :
June 9, 2026, 2:16 p.m.
Last Modified :
July 23, 2026, 8:10 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel.
- Ensure I/O requests are zeroed out correctly.
- Verify filesystem handling for file-backed mounts.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46329.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46329 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46329
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46329 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46329 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: Linux, Description: En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: erofs: manejar el final del sistema de archivos correctamente para montajes respaldados por archivos Las solicitudes de E/S más allá del final del sistema de archivos deben ser rellenadas con ceros, similar a los dispositivos de bucle invertido y eso es lo que esperamos. -
Initial Analysis by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.12 up to (excluding) 6.12.75 Added Reference Type kernel.org: https://git.kernel.org/stable/c/8d582d65d20bb4796db01b19e86909ad68cb337b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e49abde0ffc382a967b24f326d1614ac3bb06a94 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fe4039034dcdf584afbf763787909e28e92a4927 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'ce63cb62d794c98c7631c2296fa845f2a8d0a4a1', 'lessThan': '8d582d65d20bb4796db01b19e86909ad68cb337b', 'versionType': 'git'}, {'status': 'affected', 'version': 'ce63cb62d794c98c7631c2296fa845f2a8d0a4a1', 'lessThan': 'e49abde0ffc382a967b24f326d1614ac3bb06a94', 'versionType': 'git'}, {'status': 'affected', 'version': 'ce63cb62d794c98c7631c2296fa845f2a8d0a4a1', 'lessThan': 'fe4039034dcdf584afbf763787909e28e92a4927', 'versionType': 'git'}, {'status': 'affected', 'version': 'ce63cb62d794c98c7631c2296fa845f2a8d0a4a1', 'lessThan': 'bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc', 'versionType': 'git'}], 'programFiles': ['fs/erofs/fileio.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.12'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.12', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.75', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.14', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '6.19.4', 'versionType': 'semver', 'lessThanOrEqual': '6.19.*'}, {'status': 'unaffected', 'version': '7.0', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['fs/erofs/fileio.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 09, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: erofs: handle end of filesystem properly for file-backed mounts I/O requests beyond the end of the filesystem should be zeroed out, similar to loopback devices and that is what we expect. Added Reference https://git.kernel.org/stable/c/8d582d65d20bb4796db01b19e86909ad68cb337b Added Reference https://git.kernel.org/stable/c/bc804a8d7e865ef47fb7edcaf5e77d18bf444ebc Added Reference https://git.kernel.org/stable/c/e49abde0ffc382a967b24f326d1614ac3bb06a94 Added Reference https://git.kernel.org/stable/c/fe4039034dcdf584afbf763787909e28e92a4927