8.1

CVE-2025-22043: ksmbd: add bounds check for durable handle context

Modified
AliasesUBUNTU-CVE-2025-22043DEBIAN-CVE-2025-22043
Published 16-04-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-22043 is a high (CVSS 8.1) vulnerability in linux. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.49%
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 9 · Related 7
MGASA-2025-0142MGASA-2025-0146USN-7594-1USN-7594-2USN-7594-3USN-7605-1

Timeline

  1. 16-04-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add bounds check for durable handle context Add missing bounds check for durable handle context.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.48% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu129 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≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 8d4848c45943c9cf5e86142fd7347efa97f497db | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 29b946714d6aa77de54c71243bba39469ac43ef2 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 1107b9ed92194603593c51829a3887812ae9e806 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < f0db3d9d416e332a0d6f045a1509539d3a4cd898 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 542027e123fc0bfd61dd59e21ae0ee4ef2101b29 | 5.15
  • linux_kernel≥ 5.15, < 6.6.87 | ≥ 6.7, < 6.12.23 | ≥ 6.13, < 6.13.11 | ≥ 6.14, < 6.14.2
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.25-1

3 vendors · 132 products

References

17 links
Show all 17 references