CVE-2023-4211KEV · OVERDUECWE-416

Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations

Medium · published October 1, 2023

Patch now

The score understates this — it's already being exploited

CVSS calls it medium at 5.5. It is confirmed in active exploitation. It sits in the 65.4th percentile for exploit probability.

1096
days past CISA
deadline
CVSS v3.1
5.5
EPSS
1%
Percentile
65.4
In the wild
Confirmed
What it is

⚠️ A local user can dive into freed GPU memory, opening a door to potentially sensitive data! 🎭 Think of it like a library with a section that was just closed for renovation. A crafty reader sneaks in and browses through abandoned books that still contain valuable information, even though they should have been removed. 🏛️ This vulnerability allows a non-privileged user to access remnants of data that should have been securely cleared, leading to an exposure of sensitive information. While it might not be catastrophic, the risk of information leaks could be absolutely alarming! 😱

Put simply

Think of it like a library with a section that was just closed for renovation. A crafty reader sneaks in and browses through abandoned books that still contain valuable information, even though they should have been removed. 🏛️ CVE-2023-4211 is a flaw that permits local users to exploit improper GPU memory handling. By performing unauthorized operations on freed memory, they can potentially access sensitive data that should have been inaccessible.

What to do

This vulnerability allows a non-privileged user to access remnants of data that should have been securely cleared, leading to an exposure of sensitive information. While it might not be catastrophic, the risk of information leaks could be absolutely alarming! 😱 To mitigate this risk, ensure your system is updated with the latest patches that address this vulnerability. Additionally, review and restrict access permissions for local users to limit exposure. Regular security audits can also help identify any other potential weaknesses. 🔒 You've got this! Stay vigilant, apply those patches, and you'll keep your system secure! 🛡️

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.01098 · 65.4th percentile
Weakness
CWE-416 · Use After Free
Published
2023-10-01T17:00Z
KEV added
2023-10-03 · due 2023-10-24
EPSS history
Timeline
  • 03 OCT 00:00Z
    Added to CISA KEV — remediate by Oct 24
    kev
  • 01 OCT 17:00Z
    Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations
    cvelistv5