SB2026022460 - Ubuntu update for linux

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Main Vulnerability Database SB2026022460

SB2026022460 - Ubuntu update for linux

Published: February 24, 2026

Security Bulletin ID SB2026022460
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
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 2 vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2024-53217)

CWE-ID: CWE-476 - NULL Pointer Dereference

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 NULL pointer dereference within the nfsd4_process_cb_update() function in fs/nfsd/nfs4callback.c. A local user can perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2024-50299)

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 sctp_sf_ootb() function in net/sctp/sm_statefuns.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References