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.
| Software | From | Fixed in |
|---|---|---|
| debian / debian_linux | 9.0 | 9.0.x |
| linux / linux_kernel | 4.15 | 4.19.196 |
| linux / linux_kernel | 4.20 | 5.4.129 |
| linux / linux_kernel | 5.5 | 5.10.47 |
| linux / linux_kernel | 5.11 | 5.12.14 |
- http://www.openwall.com/lists/oss-security/2021/07/06/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c18f29aae7ce3dadd26d8ee3505d07cc982df75
- https://github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://security.netapp.com/advisory/ntap-20210813-0004/
- https://www.openwall.com/lists/oss-security/2021/07/06/3
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