lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 13 Apr 2022 11:39:50 +0200 From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> To: Lin Ma <linma@....edu.cn>, davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] NFC: NULL out the dev->rfkill to prevent UAF On 12/04/2022 07:32, Lin Ma wrote: > Commit 3e3b5dfcd16a ("NFC: reorder the logic in nfc_{un,}register_device") > assumes the device_is_registered() in function nfc_dev_up() will help > to check when the rfkill is unregistered. However, this check only > take effect when device_del(&dev->dev) is done in nfc_unregister_device(). > Hence, the rfkill object is still possible be dereferenced. > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Best regards, Krzysztof
Powered by blists - more mailing lists