SB2026022460 - Ubuntu update for linux
Published: February 24, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2024-53217)
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)
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.