CVE-2024-56627
ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read
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Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read An offset from client could be a negative value, It could lead to an out-of-bounds read from the stream_buf. Note that this issue is coming when setting 'vfs objects = streams_xattr parameter' in ksmbd.conf.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/27de4295522e9a33e4a3fc72f7b8193df9eebe41
- https://git.kernel.org/stable/c/6bd1bf0e8c42f10a9a9679a4c103a9032d30594d
- https://git.kernel.org/stable/c/81eed631935f2c52cdaf6691c6d48e0b06e8ad73
- https://git.kernel.org/stable/c/de4d790dcf53be41736239d7ee63849a16ff5d10
- https://git.kernel.org/stable/c/fc342cf86e2dc4d2edb0fc2ff5e28b6c7845adb9
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
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