7.8

CVE-2025-71220: smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()

Analyzed
AliasesUBUNTU-CVE-2025-71220DEBIAN-CVE-2025-71220
Published 14-02-2026Last modified 23-05-2026

Vulnerability summary

CVE-2025-71220 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.15%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 20 · Related 15
DLA-4499-1DSA-6141-1DSA-6163-1MGASA-2026-0097MGASA-2026-0098USN-8278-1

Timeline

  1. 14-02-2026
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

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().

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.14% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu145 products
  • linux< 5.15.0-185.195 | < 6.8.0-117.117 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1111.118 | < 6.8.0-1055.58 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f2283680a80571ca82d710bc6ecd8f8beac67d63, < a2c68e256fb7a4ac34154c6e865a1389acca839f | ≥ 9f297df20d93411c0b4ddad7f88ba04a7cd36e77, < 2b7b4df87fe6f2db6ee45f475de6b37b8b8e5d29 | ≥ e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d, < 04dd114b682a4ccaeba2c2bad049c8b50ce740d8 | ≥ e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d, < ac18761b530b5dd40f59af8a25902282e5512854 | ≥ e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d, < fdda836fcee6fdbcccc24e3679097efb583f581f | ≥ e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d, < 7c28f8eef5ac5312794d8a52918076dcd787e53b | ≥ 5.15.145, < 5.15.200 | ≥ 6.1.71, < 6.1.163 | 6.6
  • linux_kernel≥ 5.15.145, < 5.15.200 | ≥ 6.1.71, < 6.1.163 | ≥ 6.6, < 6.6.124 | ≥ 6.7, < 6.12.70 | ≥ 6.13, < 6.18.10 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3
Debian1 product
  • linux< 6.1.164-1 | < 6.12.73-1 | < 6.18.10-1

3 vendors · 148 products

References

25 links
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