TI-2025-26995 Aliases CVE-2025-40325 GHSA-vf7h-45fw-j88p

md/raid10: wait barrier before returning discard request with REQ_NOWAIT

LOW 25Published 2025-04-18 · Updated 2026-11-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: Partial Red Hat: 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: md/raid10: wait barrier before returning discard request with REQ_NOWAIT raid10_handle_discard should wait barrier before returning a discard bio which has REQ_NOWAIT. And there is no need to print warning calltrace if a discard bio has REQ_NOWAIT flag. Quality engineer usually checks dmesg and reports error if dmesg has warning/error calltrace.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00284 21st percentileScored 2026-11-07

Fix Partial Linux (Linux): 5.16, 6.1.191, 6.6.160 +3Red Hat: 4 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	5.15.111 to before 5.16	5.16	Patch available	CNA
Linux	Linux	5.17 and later	6.1.191, 6.6.160, 6.12.64, 6.14.2, 6.15	Patch available	CNA

Linux VendorLinux Affected 5.15.111 to before 5.16 Fixed in 5.16 Patch available CNA
Linux VendorLinux Affected 5.17 and later Fixed in 6.1.191, 6.6.160, 6.12.64, 6.14.2, 6.15 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:linux:linux_kernel::::::::	5.15.111 to before 5.16; 5.17 to before 6.14.2	Vulnerable	Linux

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.15.111 to before 5.16; 5.17 to before 6.14.2 Vulnerable ·Linux

Remediation

Fix · CNA Linux (Linux) Fixed in 5.16
Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.64, 6.14.2, 6.15

Vendor assessments

Red Hat

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

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 8	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred

Not affected: 1 product

Red Hat Enterprise Linux 10

Timeline

2026-10-02 Threatist record created from CVE-2025-40325
2026-10-03 Alias added: GHSA-vf7h-45fw-j88p
2026-10-21 Fix available: Linux/Linux@29c742ff222dd39335b927a6909c23b8752a053c, Linux/[email protected] · CNA
2026-10-21 1 new reference · CNA
2026-10-30 Fix available: Linux/[email protected], Linux/Linux@9fd04328b37b6b911c2556f6dd2625a58c3c30db · CNA
2026-10-30 1 new reference · CNA
2026-11-05 CISA SSVC decision points changed

References

Patch 2

Other 3

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