CVE-2021-47310
kernel: net: ti: fix UAF in tlan_remove_one
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 21, 2024
Updated · June 28, 2026
Description
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.
Statement
This vulnerability is rated as a moderate because the use-after-free can disrupt network functionality, resulting in service interruptions, but it does not directly compromise sensitive information.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-416 · Use After Free