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Tue, 29 Sep 2026 12:53:57 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id jFGEFOW0u2q3dAAAD6G6ig (envelope-from ); Tue, 29 Sep 2026 12:53:57 +0000 From: Takashi Iwai To: linux-sound@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Farhad Alemi Subject: [PATCH 0/2] ALSA: core: some power-state hardening Date: Tue, 29 Sep 2026 14:53:40 +0200 Message-ID: <20260929125346.1478631-1-tiwai@suse.de> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCPT_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[suse.de:+] X-Spam-Score: -3.01 X-Spam-Level: X-Rspamd-Action: no action X-Rspamd-Queue-Id: B2E0C21C67 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Flag: NO Hi, there was a report about a UAF with the inconsistent power-state handling. This is a couple of small patches to address such corner cases. Takashi === Takashi Iwai (2): ALSA: core: Check shutdown flag at D0 power-state, too ALSA: control: Fix UAF in snd_ctl_elem_add() on card disconnect sound/core/control.c | 2 ++ sound/core/init.c | 12 ++++++------ 2 files changed, 8 insertions(+), 6 deletions(-) -- 2.55.0