{"api_version":"1","generated_at":"2026-05-06T17:16:25+00:00","cve":"CVE-2026-43273","urls":{"html":"https://cve.report/CVE-2026-43273","api":"https://cve.report/api/cve/CVE-2026-43273.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43273","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43273"},"summary":{"title":"ceph: supply snapshot context in ceph_zero_partial_object()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nceph: supply snapshot context in ceph_zero_partial_object()\n\nThe ceph_zero_partial_object function was missing proper snapshot\ncontext for its OSD write operations, which could lead to data\ninconsistencies in snapshots.\n\nReproducer:\n../src/vstart.sh --new -x --localhost --bluestore\n./bin/ceph auth caps client.fs_a mds 'allow rwps fsname=a' mon 'allow r fsname=a' osd 'allow rw tag cephfs data=a'\nmount -t ceph fs_a@.a=/ /mnt/mycephfs/ -o conf=./ceph.conf\ndd if=/dev/urandom of=/mnt/mycephfs/foo bs=64K count=1\nmkdir /mnt/mycephfs/.snap/snap1\nmd5sum /mnt/mycephfs/.snap/snap1/foo\nfallocate -p -o 0 -l 4096 /mnt/mycephfs/foo\necho 3 > /proc/sys/vm/drop/caches\nmd5sum /mnt/mycephfs/.snap/snap1/foo # get different md5sum!!","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:48","updated_at":"2026-05-06 13:07:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5788b742007f53406049bef917833a71ddd43f60","name":"https://git.kernel.org/stable/c/5788b742007f53406049bef917833a71ddd43f60","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/757873abfc8ea38592582180aed0f57f0f0cb07a","name":"https://git.kernel.org/stable/c/757873abfc8ea38592582180aed0f57f0f0cb07a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/36673344b41c31fb502dd0d0113cec1aa96f581e","name":"https://git.kernel.org/stable/c/36673344b41c31fb502dd0d0113cec1aa96f581e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f16bd3fa74a2084ee7e16a8a2be7e7399b970907","name":"https://git.kernel.org/stable/c/f16bd3fa74a2084ee7e16a8a2be7e7399b970907","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/531a76c5a2e44264cee8a70121e63eb28c1ba728","name":"https://git.kernel.org/stable/c/531a76c5a2e44264cee8a70121e63eb28c1ba728","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/69e59a87bab0ea31ab2a584fc65e12dafacf8953","name":"https://git.kernel.org/stable/c/69e59a87bab0ea31ab2a584fc65e12dafacf8953","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9efa154609cdb658f51c7d76b30a09f7e6485250","name":"https://git.kernel.org/stable/c/9efa154609cdb658f51c7d76b30a09f7e6485250","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4097e70fc543cca72982854108a32f6ae924e727","name":"https://git.kernel.org/stable/c/4097e70fc543cca72982854108a32f6ae924e727","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43273","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43273","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 36673344b41c31fb502dd0d0113cec1aa96f581e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 5788b742007f53406049bef917833a71ddd43f60 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 757873abfc8ea38592582180aed0f57f0f0cb07a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 9efa154609cdb658f51c7d76b30a09f7e6485250 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 531a76c5a2e44264cee8a70121e63eb28c1ba728 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 69e59a87bab0ea31ab2a584fc65e12dafacf8953 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 4097e70fc543cca72982854108a32f6ae924e727 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ad7a60de882aca31afb58721db166f7e77afcd92 f16bd3fa74a2084ee7e16a8a2be7e7399b970907 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.252 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.202 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.165 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.128 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.16 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ceph/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"36673344b41c31fb502dd0d0113cec1aa96f581e","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"5788b742007f53406049bef917833a71ddd43f60","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"757873abfc8ea38592582180aed0f57f0f0cb07a","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"9efa154609cdb658f51c7d76b30a09f7e6485250","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"531a76c5a2e44264cee8a70121e63eb28c1ba728","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"69e59a87bab0ea31ab2a584fc65e12dafacf8953","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"4097e70fc543cca72982854108a32f6ae924e727","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"},{"lessThan":"f16bd3fa74a2084ee7e16a8a2be7e7399b970907","status":"affected","version":"ad7a60de882aca31afb58721db166f7e77afcd92","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ceph/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.12"},{"lessThan":"3.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.252","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.202","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.16","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"3.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nceph: supply snapshot context in ceph_zero_partial_object()\n\nThe ceph_zero_partial_object function was missing proper snapshot\ncontext for its OSD write operations, which could lead to data\ninconsistencies in snapshots.\n\nReproducer:\n../src/vstart.sh --new -x --localhost --bluestore\n./bin/ceph auth caps client.fs_a mds 'allow rwps fsname=a' mon 'allow r fsname=a' osd 'allow rw tag cephfs data=a'\nmount -t ceph fs_a@.a=/ /mnt/mycephfs/ -o conf=./ceph.conf\ndd if=/dev/urandom of=/mnt/mycephfs/foo bs=64K count=1\nmkdir /mnt/mycephfs/.snap/snap1\nmd5sum /mnt/mycephfs/.snap/snap1/foo\nfallocate -p -o 0 -l 4096 /mnt/mycephfs/foo\necho 3 > /proc/sys/vm/drop/caches\nmd5sum /mnt/mycephfs/.snap/snap1/foo # get different md5sum!!"}],"providerMetadata":{"dateUpdated":"2026-05-06T11:28:56.851Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/36673344b41c31fb502dd0d0113cec1aa96f581e"},{"url":"https://git.kernel.org/stable/c/5788b742007f53406049bef917833a71ddd43f60"},{"url":"https://git.kernel.org/stable/c/757873abfc8ea38592582180aed0f57f0f0cb07a"},{"url":"https://git.kernel.org/stable/c/9efa154609cdb658f51c7d76b30a09f7e6485250"},{"url":"https://git.kernel.org/stable/c/531a76c5a2e44264cee8a70121e63eb28c1ba728"},{"url":"https://git.kernel.org/stable/c/69e59a87bab0ea31ab2a584fc65e12dafacf8953"},{"url":"https://git.kernel.org/stable/c/4097e70fc543cca72982854108a32f6ae924e727"},{"url":"https://git.kernel.org/stable/c/f16bd3fa74a2084ee7e16a8a2be7e7399b970907"}],"title":"ceph: supply snapshot context in ceph_zero_partial_object()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43273","datePublished":"2026-05-06T11:28:56.851Z","dateReserved":"2026-05-01T14:12:55.998Z","dateUpdated":"2026-05-06T11:28:56.851Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:48","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43273","Ordinal":"1","Title":"ceph: supply snapshot context in ceph_zero_partial_object()","CVE":"CVE-2026-43273","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43273","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nceph: supply snapshot context in ceph_zero_partial_object()\n\nThe ceph_zero_partial_object function was missing proper snapshot\ncontext for its OSD write operations, which could lead to data\ninconsistencies in snapshots.\n\nReproducer:\n../src/vstart.sh --new -x --localhost --bluestore\n./bin/ceph auth caps client.fs_a mds 'allow rwps fsname=a' mon 'allow r fsname=a' osd 'allow rw tag cephfs data=a'\nmount -t ceph fs_a@.a=/ /mnt/mycephfs/ -o conf=./ceph.conf\ndd if=/dev/urandom of=/mnt/mycephfs/foo bs=64K count=1\nmkdir /mnt/mycephfs/.snap/snap1\nmd5sum /mnt/mycephfs/.snap/snap1/foo\nfallocate -p -o 0 -l 4096 /mnt/mycephfs/foo\necho 3 > /proc/sys/vm/drop/caches\nmd5sum /mnt/mycephfs/.snap/snap1/foo # get different md5sum!!","Type":"Description","Title":"ceph: supply snapshot context in ceph_zero_partial_object()"}]}}}