TI-2026-18592 Aliases CVE-2026-23155 GHSA-qrjv-2grw-rfj4

can: gs_usb: gs_usb_receive_bulk_callback(): fix error message

LOW 24CWE-476Published 2026-02-14 · Updated 2026-11-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

In the Linux kernel, the following vulnerability has been resolved: can: gs_usb: gs_usb_receive_bulk_callback(): fix error message Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error") a failing resubmit URB will print an info message. In the case of a short read where netdev has not yet been assigned, initialize as NULL to avoid dereferencing an undefined value. Also report the error value of the failed resubmit.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00134 2nd percentileScored 2026-11-07

Fix Partial Linux (Linux): 6.6.123, 6.12.69, 6.18.9Red Hat: 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Linux	Linux	6.6.122 to before 6.6.123; 6.12.68 to before 6.12.69; 6.18.8 to before 6.18.9	6.6.123, 6.12.69, 6.18.9	Patch available	CNA

Linux VendorLinux Affected 6.6.122 to before 6.6.123; 6.12.68 to before 6.12.69; 6.18.8 to before 6.18.9 Fixed in 6.6.123, 6.12.69, 6.18.9 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:linux:linux_kernel:6.6.122:::::::*	6.6.122	Vulnerable	Linux
cpe:2.3:o:linux:linux_kernel:6.12.68:::::::*	6.12.68	Vulnerable	Linux
cpe:2.3:o:linux:linux_kernel:6.18.8:::::::*	6.18.8	Vulnerable	Linux
cpe:2.3:o:linux:linux_kernel:6.19:rc7::::::	6.19 rc7	Vulnerable	Linux

cpe:2.3:o:linux:linux_kernel:6.6.122:*:*:*:*:*:*:* Versions 6.6.122 Vulnerable ·Linux
cpe:2.3:o:linux:linux_kernel:6.12.68:*:*:*:*:*:*:* Versions 6.12.68 Vulnerable ·Linux
cpe:2.3:o:linux:linux_kernel:6.18.8:*:*:*:*:*:*:* Versions 6.18.8 Vulnerable ·Linux
cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:* Versions 6.19 rc7 Vulnerable ·Linux

Remediation

Fix · CNA Linux (Linux) Fixed in 6.6.123, 6.12.69, 6.18.9

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 10	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred

Not affected: 3 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8

Timeline

2026-10-02 Threatist record created from CVE-2026-23155
2026-10-03 Alias added: GHSA-qrjv-2grw-rfj4
2026-11-05 CISA SSVC decision points changed

References

Patch 5

Other 1

https://git.kernel.org/stable/c/7a431df418ee6b79841e0b4c7c265a791e3d0a75

TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3

See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences