USN-8496-2: cifs-utils Ubuntu

CVSS: UnknownPublished
Published 03-07-2026Last modified 04-07-2026
Open JSON

Vulnerability summary

USN-8496-2 is a vulnerability in cifs-utils Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CVE-2026-12505

Timeline

  1. 03-07-2026
    PublishedVulnerability first disclosed.
  2. 04-07-2026
    Last modifiedVulnerability information updated.

Description

cifs-utils regression USN-8496-1 fixed a vulnerability in cifs-utils. Unfortunately, the fix introduced a regression with Kerberos mounts. This update reverts the security update until a complete fix is available. We apologize for the inconvenience. Original advisory details: It was discovered that cifs-utils incorrectly dropped root privileges before looking up user information. A local attacker could possibly use this issue to execute arbitrary code as the root user.

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • cifs-utils< 2:6.14-1ubuntu0.5 | < 2:7.0-2ubuntu0.4 | < 2:7.4-1ubuntu0.25.10.2 | < 2:7.4-1ubuntu0.26.04.2

1 vendor · 1 product

References

2 links