High severity8.2NVD Advisory· Published May 1, 2024· Updated Aug 4, 2026
CVE-2024-26936
CVE-2024-26936
Description
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.
AI Insight
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Affected products
9cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15,<5.15.159
- cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 5.15
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4anvdPatch
- git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674nvdPatch
- git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6nvdPatch
- git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11nvdPatch
- git.kernel.org/stable/c/8f3d0bf1d0c62b539d54c5b9108a845cff619b99nvdPatch
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