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Fencer Vulns
critical 9.3

CVE-2025-32463 kev in the critical feed json

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the…

published 2025-06-30 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19673

cvss
9.3
version 3.1, CNA
cisa kev
Exploited
added 2025-09-29
epss
56.3%
EPSS 56.3% chance of exploitation in 30 days, percentile 99%
public exploits
2
Metasploit, Exploit-DB

Summary

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.

Patch / fix

cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  • Sudo project Sudo 1.9.17p1
  • sudo Debian 14, Debian 13 1.9.16p2-3

debian advisories DEBIAN-CVE-2025-32463

  • sudo Ubuntu 24.04 LTS 1.9.15p5-3ubuntu5.24.04.1

ubuntu advisories UBUNTU-CVE-2025-32463

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • sudo RHEL 10.0 1.9.15-8.p5.el10_0.2
  • sudo-python-plugin RHEL 10.0 1.9.15-8.p5.el10_0.2

red hat advisories RHSA-2025:11537

  • sudo Linux Micro 6.1 1.9.15p5-slfo.1.1_2.1
  • sudo Linux Micro 6.0 1.9.15p5-2.1
  • sudo SLE Module for Basesystem 15 SP7, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 1.9.15p5-150600.3.9.1

suse advisories SUSE-SU-2025:20478-1SUSE-SU-2025:20489-1SUSE-SU-2025:02177-1

  • sudo openSUSE Tumbleweed 1.9.17p1-1.1

opensuse advisories openSUSE-SU-2025:15298-1

  • sudo AlmaLinux 10 1.9.15-8.p5.el10_0.2
  • sudo-python-plugin AlmaLinux 10 1.9.15-8.p5.el10_0.2

almalinux advisories ALSA-2025:11537

  • sudo Rocky Linux 10 1.9.15-8.p5.el10_0.2

rocky linux advisories RLSA-2025:11537

  • sudo Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 1.9.17_p1-r0

alpine advisories ALPINE-CVE-2025-32463

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • sudo CBL-Mariner 2.0, Azure Linux 3.0 1.9.17-1

azure linux advisories AZL-64458AZL-64464

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-32463 updated cvss 7.8

sudo: LPE via chroot option

  • Red Hat Enterprise Linux AppStream (v. 10) sudo-python-plugin 1.9.15-8.p5.el10_0.2 Red Hat Enterprise Linux BaseOS (v. 10) sudo 1.9.15-8.p5.el10_0.2
    fixed: vendor fix RHSA-2025:11537
  • Red Hat Enterprise Linux 6 sudo Red Hat Enterprise Linux 7 sudo Red Hat Enterprise Linux 8 sudo Red Hat Enterprise Linux 9 sudo, sudo-python-plugin Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (Metasploit exploit/linux/local/sudo_chroot_cve_2025_32463)
  3. CISA SSVC: exploitation active
  4. Added to CISA KEV
  5. CISA patch deadline

Known exploited

Added
13 mo ago
Patch by
2025-10-20 (12 mo ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor, product
Sudo, Sudo
CISA name
Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
13 mo ago

Exploit prediction

56.30% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/linux/local/sudo_chroot_cve_2025_32463 Sudo Chroot 1.9.17 Privilege Escalation metasploit exploit, normal rank, 2025-06-30
  • EDB-52352 Sudo chroot 1.9.17 - Local Privilege Escalation local, 2025-07-08
  • iototsecnews.jp https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/ referenced PoC, tagged "exploit" by a source, unverified
  • stratascale.com https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot referenced PoC, tagged "exploit" by a source, unverified
  • secpod.com https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Sudo project Sudo

Classification

Weakness
  • CWE-829 Inclusion of Functionality from Untrusted Control Sphere

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.