CVE-2026-89863

Last refreshed2026-10-19

Status: UPDATED | Advisory ID: CVE-2026-89863

Key Details

CVE	CVE-2026-89863
CVSS Score / Version	7.5 (High) / CVSS v3.1
Updated	2026-10-19
CVSS Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
CVSS Prose	attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is none; integrity impact is none; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete check

qla_chk_edif_rx_sa_delete_pending() obtains the SCSI command via

GET_CMD_SP(sp) and immediately dereferences cmd->sc_data_direction.

That command pointer can be NULL: the firmware may post a status

completion for a command that has already been returned or aborted. The

caller qla2x00_status_entry() acknowledges this on the very same status

path, re-fetching GET_CMD_SP(sp) and bailing out with the "Command

already returned" message when it is NULL -- but that check runs only

after qla_chk_edif_rx_sa_delete_pending() has already dereferenced the

pointer, so a NULL cmd crashes the kernel in interrupt context.

Return early when cmd is NULL, before touching cmd->sc_data_direction. (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-89863
CVE	https://www.cve.org/CVERecord?id=CVE-2026-89863

Source

Reference

NVD

CVE