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Rewterz Threat Advisory – Multiple Linux Kernel Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-2586 CVSS:7.8

Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free flaw in the nf_tables cross-table reference. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to gain elevated privileges.

CVE-2022-2585 CVSS:7.8

Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free flaw in the POSIX CPU timer. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to gain elevated privileges.

Impact

Privilege Escalation

Indicators Of Compromise

CVE

CVE-2022-2586
CVE-2022-2585

Affected Vendors

Linux

Affected Products

Linux Kernel

Remediation

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

Linux Kernel Website

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