Bug 2278233 (CVE-2024-26936) - CVE-2024-26936 kernel: ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
Summary: CVE-2024-26936 kernel: ksmbd: validate request buffer size in smb2_allocate_r...
Keywords:
Status: NEW
Alias: CVE-2024-26936
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: 2278234
Blocks: 2278552
TreeView+ depends on / blocked
 
Reported: 2024-05-01 17:59 UTC by Zack Miele
Modified: 2024-09-24 13:36 UTC (History)
49 users (show)

Fixed In Version: kernel 6.1.88, kernel 6.6.29, kernel 6.8.8, kernel 6.9-rc6
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux kernel’s ksmbd module. A missing validation of a buffer size can trigger an out-of-bounds access, resulting in a denial of service.
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Environment:
Last Closed:
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Description Zack Miele 2024-05-01 17:59:30 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: validate request buffer size in smb2_allocate_rsp_buf()

The Linux kernel CVE team has assigned CVE-2024-26936 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024050141-CVE-2024-26936-0264@gregkh/T
Comment 1 Zack Miele 2024-05-01 18:00:03 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2278234]
Comment 2 Alex 2024-06-09 12:51:51 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-26936 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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