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 linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 3 Jun 2022 19:43:43 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Sarthak Kukreti <sarthakkukreti@...gle.com>, Kees Cook <keescook@...omium.org>, Mike Snitzer <snitzer@...nel.org> Subject: [PATCH 5.18 42/67] dm verity: set DM_TARGET_IMMUTABLE feature flag From: Sarthak Kukreti <sarthakkukreti@...gle.com> commit 4caae58406f8ceb741603eee460d79bacca9b1b5 upstream. The device-mapper framework provides a mechanism to mark targets as immutable (and hence fail table reloads that try to change the target type). Add the DM_TARGET_IMMUTABLE flag to the dm-verity target's feature flags to prevent switching the verity target with a different target type. Fixes: a4ffc152198e ("dm: add verity target") Cc: stable@...r.kernel.org Signed-off-by: Sarthak Kukreti <sarthakkukreti@...gle.com> Reviewed-by: Kees Cook <keescook@...omium.org> Signed-off-by: Mike Snitzer <snitzer@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/md/dm-verity-target.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -1312,6 +1312,7 @@ bad: static struct target_type verity_target = { .name = "verity", + .features = DM_TARGET_IMMUTABLE, .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = verity_ctr,
Powered by blists - more mailing lists