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Hallyn" , linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 1/2] SELinux: Fix lsm_get_self_attr() Message-ID: <20240223.ieSh2aegurig@digikod.net> References: <20240223190546.3329966-1-mic@digikod.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240223190546.3329966-1-mic@digikod.net> X-Infomaniak-Routing: alpha On Fri, Feb 23, 2024 at 08:05:45PM +0100, Mickaël Salaün wrote: > selinux_lsm_getattr() may not initialize the value's pointer in some > case. As for proc_pid_attr_read(), initialize this pointer to NULL in > selinux_getselfattr() to avoid an UAF in the kfree() call. Not UAF but NULL pointer dereference (both patches)...