SB2021102744 - Fedora 35 update for kernel 

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Main Vulnerability Database SB2021102744

SB2021102744 - Fedora 35 update for kernel

Published: October 27, 2021

Security Bulletin ID SB2021102744
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-3760)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the NFC stack. A local user can trigger use-after-free error to escalate privileges on the system.


2) Unchecked Return Value (CVE-ID: CVE-2021-43056)

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation error when handling SRR1 register values. A local user can perform a denial of service attack, when the host is running on Power8.


Remediation

Install update from vendor's website.

References