CVE-2024-26936
Assigner: Linux
Published: 2024-05-01T05:26:51.773Z
State: PUBLISHED
descriptions: value: In the Linux kernel, the following vulnerability has been resolved:

ksmbd: validate request buffer size in smb2_allocate_rsp_buf()

The response buffer should be allocated in smb2_allocate_rsp_buf
before validating request. But the fields in payload as well as smb2 header
is used in smb2_allocate_rsp_buf(). This patch add simple buffer size
validation to avoid potencial out-of-bounds in request buffer.
affected: product: Linux
vendor: Linux
defaultStatus: unaffected
repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
versions: version: 1da177e4c3f4
lessThan: 8f3d0bf1d0c6
status: affected
versionType: git
version: 1da177e4c3f4
lessThan: 21ff9d7d223c
status: affected
versionType: git
version: 1da177e4c3f4
lessThan: 5c20b242d4fe
status: affected
versionType: git
version: 1da177e4c3f4
lessThan: 2c27a64a2bc4
status: affected
versionType: git
version: 1da177e4c3f4
lessThan: 17cf0c2794bd
status: affected
versionType: git
product: Linux
vendor: Linux
defaultStatus: affected
repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
versions: version: 5.15.159
lessThanOrEqual: 5.15.*
status: unaffected
versionType: custom
version: 6.1.88
lessThanOrEqual: 6.1.*
status: unaffected
versionType: custom
version: 6.6.29
lessThanOrEqual: 6.6.*
status: unaffected
versionType: custom
version: 6.8.8
lessThanOrEqual: 6.8.*
status: unaffected
versionType: custom
version: 6.9
lessThanOrEqual: *
status: unaffected
versionType: original_commit_for_fix
title: ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
x_generator: engine: bippy-d175d3acf727