What’s Vulnerable › Vulnerabilities
CVE-2023-46343
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-01-23 · updated 2026-06-17
- Weakness: CWE-476
Description
In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.
Affected products
- Linux kernel: before 6.5.9 — fixed in 6.5.9
How to fix
Upgrade to a fixed version: Linux kernel 6.5.9. Check the vendor advisory for mitigations.
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.9
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7937609cd387246aed994e81aa4fa951358fba41
- https://github.com/torvalds/linux/commit/7937609cd387246aed994e81aa4fa951358fba41
- 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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7937609cd387246aed994e81aa4fa951358fba41
- https://github.com/torvalds/linux/commit/7937609cd387246aed994e81aa4fa951358fba41
- https://lore.kernel.org/netdev/20231013184129.18738-1-krzysztof.kozlowski%40linaro.org/T/#r38bdbaf8ae15305b77f6c5bc8e15d38f405623c7
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