7.5

CVE-2025-71204: smb/server: fix refcount leak in parse_durable_handle_context()

Modified
AliasesUBUNTU-CVE-2025-71204DEBIAN-CVE-2025-71204
Published 14-02-2026Last modified 05-08-2026

Vulnerability summary

CVE-2025-71204 is a high (CVSS 7.5) vulnerability in linux. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.8% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.03 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 3
DSA-6141-1MGASA-2026-0097MGASA-2026-0098

Timeline

  1. 14-02-2026
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in parse_durable_handle_context() When the command is a replay operation and -ENOEXEC is returned, the refcount of ksmbd_file must be released.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.30% 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: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu159 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 8df4bcdb0a4232192b2445256c39b787d58ef14d, < 07df5ff4f6490a5c96715b7c562e0b2908422e04 | ≥ c8efcc786146a951091588e5fa7e3c754850cb3c, < 8a15107c4c031fb19737bf2eb4000f847f1d5e4c | ≥ c8efcc786146a951091588e5fa7e3c754850cb3c, < 70dd3513ed6ac8c6cab23f72c5b19f44ca89de9d | ≥ c8efcc786146a951091588e5fa7e3c754850cb3c, < 3296c3012a9d9a27e81e34910384e55a6ff3cff0 | ≥ 6.6.32, < 6.6.124 | 6.9
  • linux_kernel≥ 6.6.32, < 6.6.124 | ≥ 6.9, < 6.12.70 | ≥ 6.13, < 6.18.10 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3
Debian1 product
  • linux< 6.12.73-1 | < 6.18.10-1

3 vendors · 162 products

References

8 links