CVE-2026-43273
MEDIUMAttack Surface
CVSS Vector Breakdown
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 Software (10)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 36673344b41c31fb502dd0d0113cec1aa96f581e |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 5788b742007f53406049bef917833a71ddd43f60 |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 757873abfc8ea38592582180aed0f57f0f0cb07a |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 9efa154609cdb658f51c7d76b30a09f7e6485250 |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 531a76c5a2e44264cee8a70121e63eb28c1ba728 |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 69e59a87bab0ea31ab2a584fc65e12dafacf8953 |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < 4097e70fc543cca72982854108a32f6ae924e727 |
| Linux | Linux | ad7a60de882aca31afb58721db166f7e77afcd92 < f16bd3fa74a2084ee7e16a8a2be7e7399b970907 |
| Linux | Linux | 3.12 |
| linux | linux_kernel | 3.12 – 5.10.252 |