Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-64393

In the Linux kernel, the following vulnerability has been resolved: ksmbd: run set info with opener credentials SMB2 SET_INFO handlers call path-based VFS helpers after checking the access mask granted to the SMB handle. Those helpers perform their owner, inode permission and LSM checks using the current ksmbd worker credentials. Run the complete SET_INFO dispatch with the credentials captured when the handle was opened. This also removes the separate security information credential setup and
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2438a1d296c9883c32e7669ba503c0b57cfb5ff71364860324d286133e27ea57
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5cbabf3a71575cd31bc7785d92d4ab42338a654b","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"b35afd5cf8fab236ef21117e42ee45691d4ffa7b","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"0ce682867fd506f61f40c76bde7e4205bde34e87","status":"affected","version":"e2f34481b24db2fd634b5e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5cbabf3a71575cd31bc7785d92d4ab42338a654b","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"b35afd5cf8fab236ef21117e42ee45691d4ffa7b","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"0ce682867fd506f61f40c76bde7e4205bde34e87","status":"affected","version":"e2f34481b24db2fd634b5e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/0ce682867fd506f61f40c76bde7e4205bde34e87"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/20ee516a62989a8d505ee432f9e59525ea23984e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/5cbabf3a71575cd31bc7785d92d4ab42338a654b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8cc9ec711f5255167247a9ab6a7179b787426ed7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/b35afd5cf8fab236ef21117e42ee45691d4ffa7b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/b383bcad3d2fe634b26efbce53e22bbb5753a520"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:08fb9a2c2c95092d233832b8117230c2f14c9607aef535f83a00b46a9ef5ea67 · sha256:783cc2cc4b5e460f… · /containers/cna/references/5

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.

← Back to CVE Explorer