Description
In the Linux kernel, the following vulnerability has been resolved: ceph: supply snapshot context in ceph_zero_partial_object() The ceph_zero_partial_object function was missing proper snapshot context for its OSD write operations, which could lead to data inconsistencies in snapshots. Reproducer: ../src/vstart.sh --new -x --localhost --bluestore ./bin/ceph auth caps client.fs_a mds 'allow rwps fsname=a' mon 'allow r fsname=a' osd 'allow rw tag cephfs data=a' mount -t ceph fs_a@.a=/ /mnt/mycephfs/ -o conf=./ceph.conf dd if=/dev/urandom of=/mnt/mycephfs/foo bs=64K count=1 mkdir /mnt/mycephfs/.snap/snap1 md5sum /mnt/mycephfs/.snap/snap1/foo fallocate -p -o 0 -l 4096 /mnt/mycephfs/foo echo 3 > /proc/sys/vm/drop/caches md5sum /mnt/mycephfs/.snap/snap1/foo # get different md5sum!!
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
ad7a60de882aca31afb58721db166f7e77afcd92 to < 36673344b41c31fb502dd0d0113cec1aa96f581eaffectedad7a60de882aca31afb58721db166f7e77afcd92 to < 5788b742007f53406049bef917833a71ddd43f60affectedad7a60de882aca31afb58721db166f7e77afcd92 to < 757873abfc8ea38592582180aed0f57f0f0cb07aaffectedad7a60de882aca31afb58721db166f7e77afcd92 to < 9efa154609cdb658f51c7d76b30a09f7e6485250affectedad7a60de882aca31afb58721db166f7e77afcd92 to < 531a76c5a2e44264cee8a70121e63eb28c1ba728affectedad7a60de882aca31afb58721db166f7e77afcd92 to < 69e59a87bab0ea31ab2a584fc65e12dafacf8953affectedad7a60de882aca31afb58721db166f7e77afcd92 to < 4097e70fc543cca72982854108a32f6ae924e727affectedad7a60de882aca31afb58721db166f7e77afcd92 to < f16bd3fa74a2084ee7e16a8a2be7e7399b970907affected
Linux Linux
Default version status: affected
3.12affected0 to < 3.12unaffected5.10.252 to ≤ 5.10.*unaffected5.15.202 to ≤ 5.15.*unaffected6.1.165 to ≤ 6.1.*unaffected6.6.128 to ≤ 6.6.*unaffected6.12.75 to ≤ 6.12.*unaffected6.18.16 to ≤ 6.18.*unaffected6.19.6 to ≤ 6.19.*unaffected7.0 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/36673344b41c31fb502dd0d0113cec1aa96f581e ↗
- https://git.kernel.org/stable/c/5788b742007f53406049bef917833a71ddd43f60 ↗
- https://git.kernel.org/stable/c/757873abfc8ea38592582180aed0f57f0f0cb07a ↗
- https://git.kernel.org/stable/c/9efa154609cdb658f51c7d76b30a09f7e6485250 ↗
- https://git.kernel.org/stable/c/531a76c5a2e44264cee8a70121e63eb28c1ba728 ↗
- https://git.kernel.org/stable/c/69e59a87bab0ea31ab2a584fc65e12dafacf8953 ↗
- https://git.kernel.org/stable/c/4097e70fc543cca72982854108a32f6ae924e727 ↗
- https://git.kernel.org/stable/c/f16bd3fa74a2084ee7e16a8a2be7e7399b970907 ↗