CVE-2017-7374
Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.2 | 4.4.59 |
| linux / linux_kernel | 4.5 | 4.9.20 |
| linux / linux_kernel | 4.10 | 4.10.7 |
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1b53cf9815bb4744958d41f3795d5d5a1d365e2d
- http://www.securityfocus.com/bid/97308
- https://github.com/torvalds/linux/commit/1b53cf9815bb4744958d41f3795d5d5a1d365e2d
- https://source.android.com/security/bulletin/2017-10-01
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.7
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