CVE Explorer

CVE-2026-64108

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix busy dentry used after unmounting Since commit 340cea84f691c ("cifs: open files should not hold ref on superblock"), cifs file only holds the dentry ref_cnt, the cifs file close work(cfile->deferred) could be executed after unmounting, which will trigger a warning in generic_shutdown_super: BUG: Dentry 00000000a14a6845{i=c,n=file} still in use (1) [unmount of cifs cifs] The detailed processs is: process A

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2f541b620accc504cadc9a131aba7c1d17fe40f8f5a3137dd8f0017ca7a20170

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/client/cifsfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c7364cea52531534676b9f7dbc0a477c11f4c050","status":"affected","version":"708c276f516d27beaded7f372ac8111cee43926c","versionType":"git"},{"lessThan":"bdc349a87f1fb02c18c4071858a06542bfea783d","status":"affected","version":"0629a1a187e424373364d681b42b101894bdb548","versionType":"git"},{"lessThan":"f2deaa2f409a4598eaa10f2a93a676c0632af248","status":"affected","version":"0e4b8faaaebe3137bec5723…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/cifsfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrE…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions

{"url":"https://git.kernel.org/stable/c/5e7d9d0805e58fa3760894e73115b7a74024fd07"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/bdc349a87f1fb02c18c4071858a06542bfea783d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/c68337442f03953237a94577beb468ab2662a851"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/c7364cea52531534676b9f7dbc0a477c11f4c050"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/e1ffa6cf662383f95816eed1b623429d82675e75"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/f2deaa2f409a4598eaa10f2a93a676c0632af248"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d96225eb55fd6e6d30cdda1825411576726d6248c81c7dd8fef48306f7cbfe09 · sha256:5f372d46ca8c3507… · /containers/cna/references/2

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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