Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: clk: microchip: fix potential UAF in auxdev release callback Similar to commit 1c11289b34ab ("peci: cpu: Fix use-after-free in adev_release()"), the auxiliary device is not torn down in the correct order. If auxiliary_device_add() fails, the release callback will be called twice, resulting in a UAF. Due to timing, the auxdev code in this driver "took inspiration" from the aforementioned commit, and thus its bugs too! Moving auxiliary_device_uninit() to the unregister callback instead avoids the issue.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected b56bae2dd6fda6baf3bb74af3812676eebdd52f2 before 5b4052aa956e11bcd19e50ca559eb38dcb46201b; affected b56bae2dd6fda6baf3bb74af3812676eebdd52f2 before d7d6dacf39ed102d7667721ca1700022c9c8b11a; affected b56bae2dd6fda6baf3bb74af3812676eebdd52f2 before 934406b2d42eaf3fc57f5546cc68ff7ab9680bb3; affected b56bae2dd6fda6baf3bb74af3812676eebdd52f2 before 7455b7007b9e93bcc2bc9c1c6c73a228e3152069 |
| Linux / Linux | affected 6.1; unaffected 0 before 6.1; unaffected 6.1.28 through 6.1.*; unaffected 6.2.15 through 6.2.*; unaffected 6.3.2 through 6.3.*; unaffected 6.4 through * |
CWE
No CWE identifiers supplied.