SB2025040403 - Ubuntu update for linux 

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Main Vulnerability Database SB2025040403

SB2025040403 - Ubuntu update for linux

Published: April 4, 2025

Security Bulletin ID SB2025040403
Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2024-56658)

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

The vulnerability exists due to a use-after-free error within the LLIST_HEAD(), net_free() and cleanup_net() functions in net/core/net_namespace.c. A local user can escalate privileges on the system.


2) Memory leak (CVE-ID: CVE-2021-47119)

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

The vulnerability exists due to memory leak within the ext4_fill_super() and kfree() functions in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2024-56600)

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

The vulnerability exists due to a use-after-free error within the htons() function in net/ipv6/af_inet6.c. A local user can escalate privileges on the system.


4) Memory leak (CVE-ID: CVE-2021-47122)

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

The vulnerability exists due to memory leak within the caif_device_notify() function in net/caif/caif_dev.c. A local user can perform a denial of service attack.


5) Double free (CVE-ID: CVE-2021-47483)

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

The vulnerability exists due to a double free error within the regcache_rbtree_insert_to_block() function in drivers/base/regmap/regcache-rbtree.c. A local user can perform a denial of service (DoS) attack.


6) Out-of-bounds read (CVE-ID: CVE-2024-56595)

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

The vulnerability exists due to an out-of-bounds read error within the dbAdjTree() function in fs/jfs/jfs_dmap.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References