SB2024103071 - SUSE update for the Linux Kernel (Live Patch 39 for SLE 15 SP3)



SB2024103071 - SUSE update for the Linux Kernel (Live Patch 39 for SLE 15 SP3)

Published: October 30, 2024

Security Bulletin ID SB2024103071
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-47598)

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

The vulnerability exists due to a use-after-free error within the cake_init() function in net/sched/sch_cake.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2023-52752)

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

The vulnerability exists due to a use-after-free error within the seq_printf() and spin_unlock() functions in fs/smb/client/cifs_debug.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2024-35862)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the smb2_is_network_name_deleted() function in fs/smb/client/smb2ops.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


4) Use-after-free (CVE-ID: CVE-2024-35864)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the smb2_is_valid_lease_break() function in fs/smb/client/smb2misc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.