CVE-2021-47518: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
First published: Fri May 24 2024(Updated: )
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()).
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=3.12<4.4.295 | |
| Linux Linux kernel | >=4.5<4.9.293 | |
| Linux Linux kernel | >=4.10<4.14.258 | |
| Linux Linux kernel | >=4.15<4.19.221 | |
| Linux Linux kernel | >=4.20<5.4.165 | |
| Linux Linux kernel | >=5.5<5.10.85 | |
| Linux Linux kernel | >=5.11<5.15.8 |
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Reference Links
- 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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