cbcvebase.
CVE-2024-26936
published 2024-05-01

CVE-2024-26936: In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate request buffer size in smb2_allocate_rsp_buf() The response buffer should…

PriorityP342high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.23%
14.3th percentile
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

17 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.90-1 (bookworm)linux 6.1.90-1 (bookworm)
linuxlinux
linuxlinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf < 8f3d0bf1d0c62b539d54c5b9108a845cff619b998f3d0bf1d0c62b539d54c5b9108a845cff619b99
linuxlinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf < 21ff9d7d223c5c19cb4334009e4c0c83a2f4d67421ff9d7d223c5c19cb4334009e4c0c83a2f4d674
linuxlinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf < 5c20b242d4fed73a93591e48bfd9772e2322fb115c20b242d4fed73a93591e48bfd9772e2322fb11
linuxlinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf < 2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb62c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6
linuxlinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf < 17cf0c2794bdb6f39671265aa18aea5c22ee8c4a17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.1.90-16.1.90-1
linuxlinux_kernel>= 0 < 6.8.9-16.8.9-1
linuxlinux_kernel>= 0 < 6.8.9-16.8.9-1
linuxlinux_kernel>= 0 < 5.15.0-118.1285.15.0-118.128
linuxlinux_kernel>= 0 < 6.8.0-38.386.8.0-38.38
linuxlinux_kernel>= 5.15 < 5.15.1595.15.159
linuxlinux_kernel>= 5.16 < 6.1.886.1.88
linuxlinux_kernel>= 6.2 < 6.6.296.6.29
linuxlinux_kernel>= 6.7 < 6.8.86.8.8

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu6.3MEDIUM
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