Detections
Analytics

CVE-2021-35039

high

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

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

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

Details

Source: Mitre, NVD

Published: 2021-07-07

Updated: 2023-05-16

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00027

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