Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2022-50313

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/09/2025
Last modified:
04/12/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> erofs: fix order &gt;= MAX_ORDER warning due to crafted negative i_size<br /> <br /> As syzbot reported [1], the root cause is that i_size field is a<br /> signed type, and negative i_size is also less than EROFS_BLKSIZ.<br /> As a consequence, it&amp;#39;s handled as fast symlink unexpectedly.<br /> <br /> Let&amp;#39;s fall back to the generic path to deal with such unusual i_size.<br /> <br /> [1] https://lore.kernel.org/r/000000000000ac8efa05e7feaa1f@google.com

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.19 (including) 5.4.289 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.233 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.82 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 5.19.17 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.0 (including) 6.0.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools