SB20240611136 - Red Hat Enterprise Linux 8.6 Extended Update Support update for kernel

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Main Vulnerability Database SB20240611136

SB20240611136 - Red Hat Enterprise Linux 8.6 Extended Update Support update for kernel

Published: June 11, 2024

Security Bulletin ID SB20240611136
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Processor optimization removal or modification of security-critical code (CVE-ID: CVE-2023-3006)

The vulnerability allow a local user to gain access to sensitive information.

The vulnerability exists due to a known cache speculation vulnerability (Spectre-BHB) for the new hw AmpereOne. A local user can gain access to sensitive information.


2) Use-after-free (CVE-ID: CVE-2021-47013)

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

The vulnerability exists due to a use-after-free error within the emac_mac_tx_buf_send() function in drivers/net/ethernet/qualcomm/emac/emac-mac.c. A local user can escalate privileges on the system.


3) Race condition (CVE-ID: CVE-2023-52578)

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

The vulnerability exists due to a data race within the br_handle_frame_finish() function in net/bridge/br_input.c. A local user can exploit the race and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References