5.5

CVE-2025-39676: scsi: qla4xxx: Prevent a potential error pointer dereference

Modified
AliasesUBUNTU-CVE-2025-39676DEBIAN-CVE-2025-39676
Published 05-09-2025Last modified 12-05-2026

Vulnerability summary

CVE-2025-39676 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · 0.00 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 47 · Related 41

Timeline

  1. 05-09-2025
    PublishedVulnerability first disclosed.
  2. 12-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla4xxx: Prevent a potential error pointer dereference The qla4xxx_get_ep_fwdb() function is supposed to return NULL on error, but qla4xxx_ep_connect() returns error pointers. Propagating the error pointers will lead to an Oops in the caller, so change the error pointers to NULL.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.18% 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

Affected systems

Version check

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

Ubuntu148 products
  • linuxAll versions (No fix recorded) | < 5.15.0-163.173 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.153-1 | < 6.12.48-1 | < 6.16.5-1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ 13483730a13bef372894aefcf73760f5c6c297be, < d0225f41ee70611ca88ccb22c8542ecdfa7faea8 | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < ad8a9d38d30c691a77c456e72b78f7932d4f234d | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < 325bf7d57c4e2a341e381c5805e454fb69dd78c3 | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < 46288d12d1c30d08fbeffd05abc079f57a43a2d4 | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < f5ad0819f902b4b33591791b92a0350fb3692a6b | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < f1424c830d6ce840341aac33fe99c8ac45447ac1 | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < f4bc3cdfe95115191e24592bbfc15f1d4a705a75 | ≥ 13483730a13bef372894aefcf73760f5c6c297be, < 9dcf111dd3e7ed5fce82bb108e3a3fc001c07225 | 3.2
  • linux_kernel≥ 3.2.1, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.149 | ≥ 6.2, < 6.6.103 | ≥ 6.7, < 6.12.44 | ≥ 6.13, < 6.16.4 | 3.2 | 3.2:rc7 | 6.17:rc1 | 6.17:rc2

3 vendors · 152 products

References

41 links
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