netdev - [PATCH v2 0/2] cipso: make cipso_v4_skbuff_delattr() fully remove the CIPSO options

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Fri,  7 Jun 2024 18:07:51 +0200
From: Ondrej Mosnacek <omosnace@...hat.com>
To: Paul Moore <paul@...l-moore.com>
Cc: netdev@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: [PATCH v2 0/2] cipso: make cipso_v4_skbuff_delattr() fully remove the CIPSO options

This series aims to improve cipso_v4_skbuff_delattr() to fully
remove the CIPSO options instead of just clearing them with NOPs.
That is implemented in the second patch, while the first patch is
a bugfix for cipso_v4_delopt() that the second patch depends on.

Tested using selinux-testsuite a TMT/Beakerlib test from this PR:
https://src.fedoraproject.org/tests/selinux/pull-request/488

Changes in v2:
- drop the paranoid WARN_ON() usage
- reword the description of the second patch

v1: https://lore.kernel.org/linux-security-module/20240416152913.1527166-1-omosnace@redhat.com/

Ondrej Mosnacek (2):
  cipso: fix total option length computation
  cipso: make cipso_v4_skbuff_delattr() fully remove the CIPSO options

 net/ipv4/cipso_ipv4.c | 75 +++++++++++++++++++++++++++++++------------
 1 file changed, 54 insertions(+), 21 deletions(-)

-- 
2.45.1