CVE-2021-47518

low-risk
Published 2024-05-24

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()).

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (16)

Patch https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d
Patch https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a
Patch https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10
Patch https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18
Patch https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa
Patch https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c
Patch https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed
Patch https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca
Patch https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d
Patch https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a
Patch https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10
Patch https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18
Patch https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa
Patch https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c
Patch https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed
Patch https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal