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7.8
CVSSv3

CVE-2021-42252

Published: 11/10/2021 Updated: 03/12/2021
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

An issue exists in aspeed_lpc_ctrl_mmap in drivers/soc/aspeed/aspeed-lpc-ctrl.c in the Linux kernel prior to 5.14.6. Local attackers able to access the Aspeed LPC control interface could overwrite memory in the kernel and potentially execute privileges, aka CID-b49a0e69a7b1. This occurs because a certain comparison uses values that are not memory sizes.

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linux linux kernel

netapp h300s_firmware -

netapp h500s_firmware -

netapp h700s_firmware -

netapp h300e_firmware -

netapp h500e_firmware -

netapp h700e_firmware -

netapp h410s_firmware -

netapp h410c_firmware -

netapp solidfire_baseboard_management_controller_firmware -

Vendor Advisories

Red Hat: CVE-2021-42252
An issue was discovered in aspeed_lpc_ctrl_mmap in drivers/soc/aspeed/aspeed-lpc-ctrlc in the Linux kernel before 5146 Local attackers able to access the Aspeed LPC control interface could overwrite memory in the kernel and potentially execute privileges, aka CID-b49a0e69a7b1 This occurs because a certain comparison uses values that are not me ...

References

NVD-CWE-noinfohttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b49a0e69a7b1a68c8d3f64097d06dabb770fec96https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.6https://security.netapp.com/advisory/ntap-20211112-0006/https://nvd.nist.govhttps://access.redhat.com/security/cve/cve-2021-42252
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
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