CVE-2023-38426

An issue was discovered in the Linux kernel before 6.3.4

published July 17, 2023

CVSS
โ€”
EPSS
3%
Percentile
87.4
In the wild
Unconfirmed
What it is

โš ๏ธ A little miscalculation in the Linux kernel could lead to unexpected data reads! This out-of-bounds read vulnerability lurks in ksmbd before version 6.3.4, waiting for the right context to strike. ๐Ÿ” Think of it like a restaurant that misreads a table reservation โ€” instead of serving the right dish, it accidentally delivers someone else's meal, potentially revealing private information to the wrong diners. ๐Ÿฝ๏ธ If left unaddressed, this flaw could allow an attacker to read sensitive data unexpectedly, potentially exposing critical information without proper authorization. Imagine a server sharing confidential recipes with the wrong chef; that's a recipe for disaster!

Put simply

Think of it like a restaurant that misreads a table reservation โ€” instead of serving the right dish, it accidentally delivers someone else's meal, potentially revealing private information to the wrong diners. ๐Ÿฝ๏ธ This vulnerability arises from ksmbdโ€™s failure to check the length of the 'name_len' parameter against the expected tag length during context creation, leading to an out-of-bounds read situation.

What to do

If left unaddressed, this flaw could allow an attacker to read sensitive data unexpectedly, potentially exposing critical information without proper authorization. Imagine a server sharing confidential recipes with the wrong chef; that's a recipe for disaster! To protect your systems, ensure you upgrade your Linux kernel to version 6.3.4 or later. Regularly monitor for updates and review your current configuration settings to prevent such vulnerabilities from affecting your system. ๐Ÿ”’ You've got this! Stay proactive with your updates and keep your systems secure! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03040 ยท 87.4th percentile
Published
2023-07-17T00:00Z
EPSS history
Timeline
  • 17 JUL 00:00Z
    An issue was discovered in the Linux kernel before 6.3.4
    cvelistv5