CVE-2021-47443: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()
First published: Wed May 22 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 'params' is allocated in digital_tg_listen_mdaa(), but not free when digital_send_cmd() failed, which will cause memory leak. Fix it by freeing 'params' if digital_send_cmd() return failed.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=3.13<4.4.290 | |
| Linux Kernel | >=4.5<4.9.288 | |
| Linux Kernel | >=4.10<4.14.252 | |
| Linux Kernel | >=4.15<4.19.213 | |
| Linux Kernel | >=4.20<5.4.155 | |
| Linux Kernel | >=5.5<5.10.75 | |
| Linux Kernel | >=5.11<5.14.14 | |
| Linux Kernel | =5.15-rc1 | |
| Linux Kernel | =5.15-rc2 | |
| Linux Kernel | =5.15-rc3 | |
| Linux Kernel | =5.15-rc4 | |
| Linux Kernel | =5.15-rc5 |
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Reference Links
- https://git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5
- https://git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e
- https://git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b
- https://git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416
- https://git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed
- https://git.kernel.org/stable/c/3f2960b39f22e26cf8addae93c3f5884d1c183c9
- https://git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c
- https://git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907
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