HIGH 7.8 Microsoft
CVE-2021-35039
kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG verification that a kernel module is signed for loading via init_module does not occur for a module.sig_enforce=1 command-line argument.
Microsoft Security Update 2021-Jul: kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG verification that a kernel module is signed for loading via init_module does not occur for a module.sig_enforce=1 command-line argument.
Affected Products
- cm1 kernel 5.10.60.1-1 on CBL Mariner 1.0
- cbl2 kernel 5.10.78.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-35039
- https://nvd.nist.gov/vuln/detail/CVE-2021-35039
This high severity vulnerability with a CVSS score of 7.8 was published on 2021-07-13 via Microsoft. Affected: cm1 kernel 5.10.60.1-1 on CBL Mariner 1.0, cbl2 kernel 5.10.78.1-1 on CBL Mariner 2.0.
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