scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 18 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue When the task management thread processes reply queues while the reset thread resets them, the task management thread accesses an invalid queue ID (0xFFFF), set by the reset thread, which points to unallocated memory, causing a crash. Add flag 'io_admin_reset_sync' to synchronize access between the reset, I/O, and admin threads. Before a reset, the reset handler sets this flag to block I/O and admin processing threads. If any thread bypasses the initial check, the reset thread waits up to 10 seconds for processing to finish. If the wait exceeds 10 seconds, the controller is marked as unrecoverable.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | 5.14 and later | 6.1.191, 6.6.160, 6.12.24, 6.13.12, 6.14.3, 6.15 | Patch available | CNA |
- Linux VendorLinux Affected 5.14 and later Fixed in 6.1.191, 6.6.160, 6.12.24, 6.13.12, 6.14.3, 6.15 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.14 to before 6.12.24; 6.13 to before 6.13.12; 6.14 to before 6.14.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.14 to before 6.12.24; 6.13 to before 6.13.12; 6.14 to before 6.14.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.24, 6.13.12, 6.14.3, 6.15
Red Hat 6 advisories
- RHSA-2026:14137 Released 2026-05-06 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-core-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-debug-5.14.0-70.178.1.rt21.250.el9_0 +9
- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-core-5.14.0-70.178.1.rt21.250.el9_0, kernel-rt-debug-5.14.0-70.178.1.rt21.250.el9_0 +7
- RHSA-2026:13936 Released 2026-05-06 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.178.1.el9_0, kernel-debug-devel-matched-5.14.0-70.178.1.el9_0, kernel-devel-5.14.0-70.178.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.178.1.el9_0, kernel-5.14.0-70.178.1.el9_0, kernel-abi-stablelists-5.14.0-70.178.1.el9_0 +14
- RHSA-2026:3692 Released 2026-03-04 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.113.1.el9_4, libperf-5.14.0-427.113.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.113.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.113.1.el9_4, kernel-64k-devel-5.14.0-427.113.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.113.1.el9_4, kernel-5.14.0-427.113.1.el9_4, kernel-64k-5.14.0-427.113.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.113.1.el9_4, kernel-rt-core-5.14.0-427.113.1.el9_4, kernel-rt-debug-5.14.0-427.113.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.113.1.el9_4, kernel-rt-core-5.14.0-427.113.1.el9_4, kernel-rt-debug-5.14.0-427.113.1.el9_4 +11
Show 3 more Red Hat advisories
- RHSA-2026:3358 Released 2026-02-25 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.158.1.rt14.443.el9_2, kernel-rt-core-5.14.0-284.158.1.rt14.443.el9_2, kernel-rt-debug-5.14.0-284.158.1.rt14.443.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.158.1.rt14.443.el9_2, kernel-rt-core-5.14.0-284.158.1.rt14.443.el9_2, kernel-rt-debug-5.14.0-284.158.1.rt14.443.el9_2 +11
- RHSA-2026:3267 Released 2026-02-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.158.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.158.1.el9_2, kernel-64k-devel-5.14.0-284.158.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.158.1.el9_2, kernel-5.14.0-284.158.1.el9_2, kernel-64k-5.14.0-284.158.1.el9_2 +29
- RHSA-2026:3088 Released 2026-02-23 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.92.1.el9_6, libperf-5.14.0-570.92.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.92.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.92.1.el9_6, kernel-64k-devel-5.14.0-570.92.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.92.1.el9_6, kernel-64k-5.14.0-570.92.1.el9_6, kernel-64k-core-5.14.0-570.92.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.92.1.el9_6, kernel-rt-64k-5.14.0-570.92.1.el9_6, kernel-rt-64k-core-5.14.0-570.92.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.92.1.el9_6, kernel-rt-core-5.14.0-570.92.1.el9_6, kernel-rt-debug-5.14.0-570.92.1.el9_6 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2026:3692 |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:3088 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2026:13936 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:3267 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2026:3692 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:3088 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2026:13936 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2026:3267 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2026:3692 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:3088 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2026:14137 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2026:14137 |
| Red Hat Enterprise Linux Real Time E4S (v.9.2) | Fixed | RHSA-2026:3358 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2026:3692 |
| Red Hat Enterprise Linux Real Time EUS (v.9.6) | Fixed | RHSA-2026:3088 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) | Fixed | RHSA-2026:3358 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2026:3692 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) | Fixed | RHSA-2026:3088 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2025-37861
- 2026-10-03 Alias added: GHSA-76hw-gx4c-xc29
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-21 Fix available: Linux/Linux@31dad8d385953a886e57df70ab43ee25ba37797c, Linux/[email protected] · CNA
- 2026-10-21 1 new reference · CNA
- 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@e9efbd037b9002ce9dd012da612e857e98dfcb3e · CNA
- 2026-10-30 1 new reference · CNA
References
Patch 4
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2025-37861 · CVE Program
- CVE-2025-37861 · NVD
- FIRST EPSS
- GHSA-76hw-gx4c-xc29 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-37861 · Red Hat security data · CC BY 4.0
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