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Status published
Medium
CVE-2021-47518
nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done The done() netlink callback nfc_genl_dump_ses_done() should check if received argument is non-NULL, because its allocation could fail earlier in dumpit() (nfc_genl_dump_ses()).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed
- https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18
- https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa
- https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d
- https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a
- https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c
- https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca
- https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95, 3.12, 0, 4.4.295, 4.9.293, 4.14.258, 4.19.221, 5.4.165, 5.10.85, 5.15.8, 5.16
Timeline
Official Publish:
May 24th, 2024
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.