CVE-2021-35039

Description

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.

References

https://www.openwall.com/lists/oss-security/2021/07/06/3

https://security.netapp.com/advisory/ntap-20210813-0004/

https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

https://github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c18f29aae7ce3dadd26d8ee3505d07cc982df75

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14

http://www.openwall.com/lists/oss-security/2021/07/06/3

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3