SB2026051949 - Ubuntu update for linux



SB2026051949 - Ubuntu update for linux

Published: May 19, 2026

Security Bulletin ID SB2026051949
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2024-50142)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the verify_newsa_info() function in net/xfrm/xfrm_user.c. A local user can perform a denial of service (DoS) attack.


2) Resource management error (CVE-ID: CVE-2024-50008)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to resource management error within the mwifiex_ret_802_11_scan_ext() function in drivers/net/wireless/marvell/mwifiex/scan.c. A local user can perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2024-49938)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the ath9k_hif_usb_rx_cb() and ath9k_hif_usb_reg_in_cb() functions in drivers/net/wireless/ath/ath9k/hif_usb.c. A local user can perform a denial of service (DoS) attack.


4) Memory leak (CVE-ID: CVE-2024-27388)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to memory leak within the gssx_dec_option_array() function in net/sunrpc/auth_gss/gss_rpc_xdr.c. A local user can perform a denial of service (DoS) attack.


5) Improper locking (CVE-ID: CVE-2022-49033)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper locking within the btrfs_qgroup_inherit() function in fs/btrfs/qgroup.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.