UBUNTU-CVE-2024-26936
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- ubuntu•linux
all | < 5.15.0-118.128 | < 6.8.0-38.38
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.15.0-1067.73 | < 6.8.0-1011.12
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1067.73~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1011.12~22.04.1
- ubuntu•linux-aws-fips
all | < 5.15.0-1067.73+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | < 5.15.0-1070.79 | < 6.8.0-1010.10
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1070.79~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1010.10~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1070.79.1
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
all | < 5.15.0-1070.79+fips1
- ubuntu•linux-bluefield
< 5.15.0-1050.52 | all | < 5.15.0-1050.52 | all
- ubuntu•linux-fips
all | < 5.15.0-118.128+fips1
- ubuntu•linux-gcp
all | all | < 5.15.0-1066.74 | < 6.8.0-1010.11
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1066.74~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
all | < 5.15.0-1066.74+fips1
- ubuntu•linux-gke
all | < 5.15.0-1064.70 | < 6.8.0-1006.9
- ubuntu•linux-gke-4.15
all
Showing first 50 affected entries in server-rendered view.
References (18)
- https://ubuntu.com/security/CVE-2024-26936
- https://www.cve.org/CVERecord?id=CVE-2024-26936
- https://git.kernel.org/linus/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
- https://git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674
- https://git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11
- https://git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6
- https://git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
- https://ubuntu.com/security/notices/USN-6893-1
- https://ubuntu.com/security/notices/USN-6893-2
- https://ubuntu.com/security/notices/USN-6893-3
- https://ubuntu.com/security/notices/USN-6918-1
- https://ubuntu.com/security/notices/USN-6950-1
- https://ubuntu.com/security/notices/USN-6956-1
- https://ubuntu.com/security/notices/USN-6957-1
- https://ubuntu.com/security/notices/USN-6950-2
- https://ubuntu.com/security/notices/USN-6950-3
- https://ubuntu.com/security/notices/USN-6950-4
- https://ubuntu.com/security/notices/USN-7019-1