smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
Priority LOW 33Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 1 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: smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe() When ksmbd_iov_pin_rsp() fails, we should call ksmbd_session_rpc_close().
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.15.200, 6.1.163, 6.6.124 +3Red Hat: 1 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 | 5.15.145 to before 5.15.200; 6.1.71 to before 6.1.163 | 5.15.200, 6.1.163 | Patch available | CNA |
| Linux | Linux | 6.6 and later | 5.15.200, 6.1.163, 6.6.124, 6.12.70, 6.18.10, 6.19 | Patch available | CNA |
- Linux VendorLinux Affected 5.15.145 to before 5.15.200; 6.1.71 to before 6.1.163 Fixed in 5.15.200, 6.1.163 Patch available CNA
- Linux VendorLinux Affected 6.6 and later Fixed in 5.15.200, 6.1.163, 6.6.124, 6.12.70, 6.18.10, 6.19 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.15.145 to before 5.15.200; 6.1.71 to before 6.1.163; 6.6 to before 6.6.124; 6.7 to before 6.12.70; 6.13 to before 6.18.10 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:* | 6.19 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:* | 6.19 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:* | 6.19 rc3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.15.145 to before 5.15.200; 6.1.71 to before 6.1.163; 6.6 to before 6.6.124; 6.7 to before 6.12.70; 6.13 to before 6.18.10 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:* Versions 6.19 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:* Versions 6.19 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:* Versions 6.19 rc3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.200, 6.1.163
- Fix · CNA Linux (Linux) Fixed in 5.15.200, 6.1.163, 6.6.124, 6.12.70, 6.18.10, 6.19
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 |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-71220
- 2026-10-03 Alias added: GHSA-6hxq-g3f7-5m89
- 2026-11-05 CISA SSVC decision points changed
References
Patch 6
- https://git.kernel.org/stable/c/a2c68e256fb7a4ac34154c6e865a1389acca839f
- https://git.kernel.org/stable/c/2b7b4df87fe6f2db6ee45f475de6b37b8b8e5d29
- https://git.kernel.org/stable/c/04dd114b682a4ccaeba2c2bad049c8b50ce740d8
- https://git.kernel.org/stable/c/ac18761b530b5dd40f59af8a25902282e5512854
- https://git.kernel.org/stable/c/fdda836fcee6fdbcccc24e3679097efb583f581f
- https://git.kernel.org/stable/c/7c28f8eef5ac5312794d8a52918076dcd787e53b
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-2025-71220 · CVE Program
- CVE-2025-71220 · NVD
- FIRST EPSS
- GHSA-6hxq-g3f7-5m89 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-71220 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences