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Rewterz Threat Advisory – CVE-2021-43975 – Linux Kernel hw_atl_utils_fw_rpc_wait Vulnerability

Severity

High

Analysis Summary

CVE-2021-43975

Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by an out-of-bounds write in hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c. By introducing a specially crafted device, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Code Execution

Affected Vendors

  • Linux

Affected Products

  • Linux Kernel 5.15.2

Remediation

Refer to Linux Kernel GIT Repository for patch, upgrade or suggested workaround information.

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b922f622592af76b57cbc566eaeccda0b31a3496