SB2024062135 - SUSE update for the Linux Kernel (Live Patch 45 for SLE 15 SP2)

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Main Vulnerability Database SB2024062135

SB2024062135 - SUSE update for the Linux Kernel (Live Patch 45 for SLE 15 SP2)

Published: June 21, 2024

Security Bulletin ID SB2024062135
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2021-46955)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the ovs_fragment() function in net/openvswitch/actions.c when running openvswitch on kernels built with KASAN. A remote attacker can send specially crafted IPv4 packets to the system, trigger an out-of-bounds read error and read contents of memory on the system or crash the kernel.


2) Use-after-free (CVE-ID: CVE-2024-26852)

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

The vulnerability exists due to a use-after-free error within the ip6_route_multipath_add() and list_for_each_entry_safe() functions in net/ipv6/route.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References