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CVE-2026-52956

In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt() In __ceph_x_decrypt(), a part of the buffer p is interpreted as a ceph_x_encrypt_header, and the magic field of this struct is accessed. This happens without any guarantee that the buffer is large enough to hold this struct. The function parameter ciphertext_len represents the length of the ciphertext to decrypt and is guaranteed to be at most the remaining size
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a105414dc53a63bca88b126c912f5b7124e51ba2f58c122672fb31134cd44acd
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":"affected","product":"Linux","programFiles":["net/ceph/auth_x.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.10"},{"lessThan":"4.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ceph/auth_x.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c7e9b53aebe401970f1b5f5a01b4e021b18e8bb2","status":"affected","version":"e15fd0a11db00fc7f470a9fc804657ec3f6d04a5","versionType":"git"},{"lessThan":"821365487aa58d06bda65c676ba215d506ba9768","status":"affected","version":"e15fd0a11db00fc7f470a9fc804657ec3f6d04a5","versionType":"git"},{"status":"affected","version":"2982b9c92a66604ffb9fb2db54cf735133d1ef56","versionType":"git"},{"lessThan":"4.10",…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ceph/auth_x.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.10"},{"lessThan":"4.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ceph/auth_x.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c7e9b53aebe401970f1b5f5a01b4e021b18e8bb2","status":"affected","version":"e15fd0a11db00fc7f470a9fc804657ec3f6d04a5","versionType":"git"},{"lessThan":"821365487aa58d06bda65c676ba215d506ba9768","status":"affected","version":"e15fd0a11db00fc7f470a9fc804657ec3f6d04a5","versionType":"git"},{"status":"affected","version":"2982b9c92a66604ffb9fb2db54cf735133d1ef56","versionType":"git"},{"lessThan":"4.10",…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/821365487aa58d06bda65c676ba215d506ba9768"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c7e9b53aebe401970f1b5f5a01b4e021b18e8bb2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:34b399cdc4096e491eab4e44b1ab83d9bc739efc8861141316b58bb59888da44 · sha256:e7fa85d469489687… · /containers/cna/references/0

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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