NULL Pointer Dereference in Linux Kernel Affects Versions Pre-6.5.9
CVE-2023-46343

5.5MEDIUM

Key Information:

Vendor

Linux
Status
Linux Kernel
Vendor
CVE Published:
23 January 2024

What is CVE-2023-46343?

A vulnerability exists in the Linux kernel before version 6.5.9, specifically a NULL pointer dereference occurring in the 'send_acknowledge' function located in 'net/nfc/nci/spi.c'. This flaw could lead to various security issues, including potential denial of service, as it may cause the operating system to crash or become unresponsive upon triggering the affected function. Users are advised to update to the latest kernel version to mitigate risks.

References

https://lore.kernel.org/netdev/20231013184129.18738-1-krz...
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.9
https://github.com/torvalds/linux/commit/7937609cd387246a...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.