#VU98963 NULL pointer dereference in Linux kernel - CVE-2024-49891
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98963
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2024-49891
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the lpfc_sli_flush_io_rings() function in drivers/scsi/lpfc/lpfc_sli.c, within the lpfc_abort_handler() function in drivers/scsi/lpfc/lpfc_scsi.c, within the lpfc_dev_loss_tmo_callbk() function in drivers/scsi/lpfc/lpfc_hbadisc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/99a801e2fca39a6f31e543fc3383058a8955896f
- https://git.kernel.org/stable/c/fd665c8dbdb19548965b0ae80c490de00e906366
- https://git.kernel.org/stable/c/2be1d4f11944cd6283cb97268b3e17c4424945ca
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64