Bug 2278191 (CVE-2024-26954) - CVE-2024-26954 kernel: ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
Summary: CVE-2024-26954 kernel: ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
Keywords:
Status: NEW
Alias: CVE-2024-26954
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2278192
Blocks: 2278552
TreeView+ depends on / blocked
 
Reported: 2024-05-01 16:43 UTC by Zack Miele
Modified: 2024-09-20 18:38 UTC (History)
49 users (show)

Fixed In Version: kernel 6.7.12, kernel 6.8.3, kernel 6.9-rc1
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the ksmbd module in the Linux kernel. Under some conditions, an out-of-bounds read can occur in the smb_strndup_from_utf16 function, resulting in a denial of service.
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Environment:
Last Closed:
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Description Zack Miele 2024-05-01 16:43:45 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()

The Linux kernel CVE team has assigned CVE-2024-26954 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024050128-CVE-2024-26954-18d5@gregkh/T
Comment 1 Zack Miele 2024-05-01 16:44:17 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2278192]
Comment 2 Alex 2024-06-09 13:07:52 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-26954 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).
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