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A dummy v3 encoding (exactly the same as v2) was introduced so that the monitors can distinguish broken clients that may not include their auth ticket in CEPHX_GET_AUTH_SESSION_KEY request on reconnects, thus failing to prove previous possession of their global_id (one part of CVE-2021-20288). The kernel client has always included its auth ticket, so it is compatible with enforcing mode as is. However we want to bump the encoding version to avoid having to authenticate twice on the initial connect -- all legacy (CephXAuthenticate < v3) are now forced do so in order to expose insecure global_id reclaim. Marking for stable since at least for 5.11 and 5.12 it is trivial (v2 -> v3). Cc: stable@vger.kernel.org # 5.11+ URL: https://tracker.ceph.com/issues/50452 Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Sage Weil <sage@redhat.com> |
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| .. | ||
| crush | ||
| armor.c | ||
| auth.c | ||
| auth_none.c | ||
| auth_none.h | ||
| auth_x.c | ||
| auth_x.h | ||
| auth_x_protocol.h | ||
| buffer.c | ||
| ceph_common.c | ||
| ceph_hash.c | ||
| ceph_strings.c | ||
| cls_lock_client.c | ||
| crypto.c | ||
| crypto.h | ||
| debugfs.c | ||
| decode.c | ||
| Kconfig | ||
| Makefile | ||
| messenger.c | ||
| messenger_v1.c | ||
| messenger_v2.c | ||
| mon_client.c | ||
| msgpool.c | ||
| osd_client.c | ||
| osdmap.c | ||
| pagelist.c | ||
| pagevec.c | ||
| snapshot.c | ||
| string_table.c | ||
| striper.c | ||