Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: mxser: fix xmit_buf leak in activate when LSR == 0xff When LSR is 0xff in ->activate() (rather unlike), we return an error. Provided ->shutdown() is not called when ->activate() fails, nothing actually frees the buffer in this case. Fix this by properly freeing the buffer in a designated label. We jump there also from the "!info->type" if now too.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 6769140d304731f0a3b177470a2adb4bacd9036b before 376922045009f8ea2d20a8fa3475e95b47c41690; affected 6769140d304731f0a3b177470a2adb4bacd9036b before 125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d; affected 6769140d304731f0a3b177470a2adb4bacd9036b before 685b6d16bf89595310b5d61394c9b97cc9505c7c; affected 6769140d304731f0a3b177470a2adb4bacd9036b before 996291d06851a26678a0fab488b6e1f0677c0576; affected 6769140d304731f0a3b177470a2adb4bacd9036b before 2cd05c38a27bee7fb42aa4d43174d68ac55dac0f; affected 6769140d304731f0a3b177470a2adb4bacd9036b before b125b08dbee3611f03f53b71471813ed4ccafcdd; affected 6769140d304731f0a3b177470a2adb4bacd9036b before 6c9041b2f90c0eace73106f22350e1d2c98f5edc; affected 6769140d304731f0a3b177470a2adb4bacd9036b before 6dffc2035fbaada60ca8db59e0962e34f760370a; affected 6769140d304731f0a3b177470a2adb4bacd9036b before cd3a4907ee334b40d7aa880c7ab310b154fd5cd4 |
| Linux / Linux | affected 2.6.33; unaffected 0 before 2.6.33; unaffected 4.9.311 through 4.9.*; unaffected 4.14.276 through 4.14.*; unaffected 4.19.238 through 4.19.*; unaffected 5.4.189 through 5.4.*; unaffected 5.10.110 through 5.10.*; unaffected 5.15.33 through 5.15.*; unaffected 5.16.19 through 5.16.*; unaffected 5.17.2 through 5.17.*; unaffected 5.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/376922045009f8ea2d20a8fa3475e95b47c41690
- https://git.kernel.org/stable/c/125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d
- https://git.kernel.org/stable/c/685b6d16bf89595310b5d61394c9b97cc9505c7c
- https://git.kernel.org/stable/c/996291d06851a26678a0fab488b6e1f0677c0576
- https://git.kernel.org/stable/c/2cd05c38a27bee7fb42aa4d43174d68ac55dac0f
- https://git.kernel.org/stable/c/b125b08dbee3611f03f53b71471813ed4ccafcdd
- https://git.kernel.org/stable/c/6c9041b2f90c0eace73106f22350e1d2c98f5edc
- https://git.kernel.org/stable/c/6dffc2035fbaada60ca8db59e0962e34f760370a
- https://git.kernel.org/stable/c/cd3a4907ee334b40d7aa880c7ab310b154fd5cd4