Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix a double free in snd_ac97_controller_register() If ac97_add_adapter() fails, put_device() is the correct way to drop the device reference. kfree() is not required. Add kfree() if idr_alloc() fails and in ac97_adapter_release() to do the cleanup. Found by code review.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 before c80f9b3349a99a9d5b295f5bbc23f544c5995ad7; affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 before 21f8bc5179bed91c3f946adb5e55d717b891960c; affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 before fcc04c92cbb5497ce67c58dd2f0001bb87f40396; affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 before cb73d37ac18bc1716690ff5255a0ef1952827e9e; affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 before 830988b6cf197e6dcffdfe2008c5738e6c6c3c0f |
| Linux / Linux | affected 4.15; unaffected 0 before 4.15; unaffected 6.1.161 through 6.1.*; unaffected 6.6.121 through 6.6.*; unaffected 6.12.66 through 6.12.*; unaffected 6.18.6 through 6.18.*; unaffected 6.19 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7
- https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c
- https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396
- https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e
- https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f