CVE-2026-93055
UDF symlink pathComponent header OOB read
Description
In the Linux kernel, the following vulnerability has been resolved: UDF symlink pathComponent header OOB read udf_symlink_filler() can enter udf_pc_to_char() with a partial pathComponent header. Validate that enough input remains for a complete pathComponent header before accessing it. Reject malformed symlink data that would otherwise make udf_pc_to_char() perform an out-of-bounds read.
INFO
Published Date :
Sept. 17, 2026, 5:17 p.m.
Last Modified :
Sept. 17, 2026, 5:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Update the Linux kernel to a patched version.
- Validate symlink data before processing path components.
- Reject malformed symlink data.
- Apply security patches promptly.
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-2026-93055.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-93055 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-2026-93055
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-2026-93055 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-93055 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.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 17, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: UDF symlink pathComponent header OOB read udf_symlink_filler() can enter udf_pc_to_char() with a partial pathComponent header. Validate that enough input remains for a complete pathComponent header before accessing it. Reject malformed symlink data that would otherwise make udf_pc_to_char() perform an out-of-bounds read. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/93xxx/CVE-2026-93055.json">CVE-2026-93055</a> Added Reference https://git.kernel.org/stable/c/48b2a74317e15f93983c74a5a07245bc94a00d39 Added Reference https://git.kernel.org/stable/c/57371e743398e0d485f0f7beede1ade41f812324 Added Reference https://git.kernel.org/stable/c/8da8fd3df9fc14cf79ca3a3978d27ba067985111 Added Reference https://git.kernel.org/stable/c/b21cb958292ee1e02eb305ff9de09f2f7edd551a Added Reference https://git.kernel.org/stable/c/d23eb7380d1594cda31a5dc8487dd2a5c8def8c7 Added Reference https://git.kernel.org/stable/c/d9f49c8b55debf1512f912077b6c759cc8b6d2e0 Added Reference https://git.kernel.org/stable/c/ee264227b656218bc1b257d8e4f83467f5f17723 Added Reference https://git.kernel.org/stable/c/f44f5f795f1a56249821a05183347ea025855e31