// For flags

CVE-2021-47310

net: ti: fix UAF in tlan_remove_one

Severity Score

4.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved:

net: ti: fix UAF in tlan_remove_one

priv is netdev private data and it cannot be
used after free_netdev() call. Using priv after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() at the end of the
function.

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: ti: corrige UAF en tlan_remove_one priv son datos privados de netdev y no se pueden usar después de la llamada free_netdev(). Usar priv después de free_netdev() puede causar un error en UAF. Solucionarlo moviendo free_netdev() al final de la función.

A vulnerability was found in the Linux kernel's TI TLAN driver, where the tlan_remove_one function can lead to a use-after-free issue when the driver attempts to access private data after the network device has already been freed, potentially causing system instability or crash.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-05-21 CVE Reserved
  • 2024-05-21 CVE Published
  • 2024-05-22 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 4.4.277
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 4.4.277"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 4.9.277
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 4.9.277"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 4.14.241
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 4.14.241"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 4.19.199
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 4.19.199"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.4.135
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.4.135"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.10.53
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.10.53"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.13.5
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.13.5"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.14
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.14"
en
Affected