ceph: supply snapshot context in ceph_zero_partial_object() (Linux Linux)

CVE-2026-43273
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.12 % · centile 2 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

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!!

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected ad7a60de882aca31afb58721db166f7e77afcd92 < 36673344b41c31fb502dd0d0113cec1aa96f581e ; affected ad7a60de882aca31afb58721db166f7e77afcd92 < 5788b742007f53406049bef917833a71ddd43f60 ; affected ad7a60de882aca31afb58721db166f7e77afcd92 < 757873abfc8ea38592582180aed0f57f0f0cb07a ; affected ad7a60de882aca31afb58721db166f7e77afcd92 < 9efa154609cdb658f51c7d76b30a09f7e6485250 ; affected ad7a60de882aca31afb58721db166f7e77afcd92 < 531a76c5a2e44264cee8a70121e63eb28c1ba728 ; affected ad7a60de882aca31afb58721db166f7e77afcd92 < 69e59a87bab0ea31ab2a584fc65e12dafacf8953
Linux · Linuxaffected 3.12 ; unaffected 0 < 3.12 ; unaffected 5.10.252 ≤ 5.10.* ; unaffected 5.15.202 ≤ 5.15.* ; unaffected 6.1.165 ≤ 6.1.* ; unaffected 6.6.128 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD