CVE-2023-1990

Severity: medium (CVSS 4.7 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: 2023-04-12 · updated 2026-06-17
Weakness: CWE-416

Description

A use-after-free flaw was found in ndlc_remove in drivers/nfc/st-nci/ndlc.c in the Linux Kernel. This flaw could allow an attacker to crash the system due to a race problem.

Affected products

Linux kernel: before 6.3; 6.3-rc1, 6.3-rc2 — fixed in 6.3

How to fix

Upgrade to a fixed version: Linux kernel 6.3. Check the vendor advisory for mitigations.

References

https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://lore.kernel.org/all/20230312160837.2040857-1-zyytlz.wz%40163.com/
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://lore.kernel.org/all/20230312160837.2040857-1-zyytlz.wz%40163.com/

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