CVE-2023-38432

An issue was discovered in the Linux kernel before 6.3.10

published July 17, 2023

CVSS
β€”
EPSS
3%
Percentile
84.7
In the wild
Unconfirmed
What it is

⚠️ A size mismatch in command payloads could lead to vulnerabilities in the Linux kernel! This sneaky little oversight in ksmbd could let attackers read beyond the safe limits. πŸ” Think of it like a restaurant serving a dish with a portion size that exceeds the plate's capacity – the food spills over, creating a mess and potentially harming diners. Here, the 'overwhelming order' creates an out-of-bounds read! If exploited, this vulnerability could allow attackers to access sensitive data they shouldn't, leading to undesirable leaks or system instabilities. While currently not known to be exploited in the wild, the implications could be quite serious for data privacy and system integrity.

Put simply

Think of it like a restaurant serving a dish with a portion size that exceeds the plate's capacity – the food spills over, creating a mess and potentially harming diners. Here, the 'overwhelming order' creates an out-of-bounds read! The flaw in the Linux kernel's ksmbd occurs due to a failure to validate the relationship between the command payload size and the RFC1002 length specification, resulting in an out-of-bounds read.

What to do

If exploited, this vulnerability could allow attackers to access sensitive data they shouldn't, leading to undesirable leaks or system instabilities. While currently not known to be exploited in the wild, the implications could be quite serious for data privacy and system integrity. To mitigate this risk, update your Linux kernel to version 6.3.10 or later as soon as possible. It’s also a good idea to regularly monitor and audit your systems for any unusual behaviors that may indicate attempts to exploit this oversight. You've got this! Stay vigilant and keep your systems updated for a safer environment! πŸ›‘οΈ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02524 Β· 84.7th percentile
Published
2023-07-17T00:00Z
EPSS history
Timeline
  • 17 JUL 00:00Z
    An issue was discovered in the Linux kernel before 6.3.10
    cvelistv5