CVE-2021-47070: uio_hv_generic: Fix another memory leak in error handling paths
First published: Fri Mar 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbus_free_ring()' call. Note that it is already freed in the .remove function.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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Reference Links
- https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df
- https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07
- https://launchpad.net/bugs/cve/CVE-2021-47070
- https://git.kernel.org/linus/0b0226be3a52dadd965644bc52a807961c2c26df
- https://security-tracker.debian.org/tracker/CVE-2021-47070
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47070
- https://nvd.nist.gov/vuln/detail/CVE-2021-47070
- https://ubuntu.com/security/CVE-2021-47070
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