CVE-2023-46343
Advisory lineage Upstream: 0 Downstream: 29
Modified
Published: 23 Jan 2024, 00:00
Last modified:17 Jun 2025, 13:55
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
23 Jan 2024, 00:00
Published
Vulnerability first disclosed
17 Jun 2025, 13:55
Last Modified
Vulnerability information updated
Description
In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.01%• Percentile: 1%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
< 6.5.9
References (4)
- https://lore.kernel.org/netdev/20231013184129.18738-1-krzysztof.kozlowski%40linaro.org/T/#r38bdbaf8ae15305b77f6c5bc8e15d38f405623c7
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.9
- https://github.com/torvalds/linux/commit/7937609cd387246aed994e81aa4fa951358fba41
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7937609cd387246aed994e81aa4fa951358fba41