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CVE-2025-32463

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a...

9.3 CriticalIn KEVPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

56.3%Up 56.3 points since Jul 1, 2025
90%50%10%1%

What each source reports

CVE List Score used 9.3

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.

Record
CVE-2025-32463
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
EUVDEUVD-2025-19673 9.3

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.

Record
EUVD-2025-19673
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-695j-c63m-mvxc 9.3

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a...

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.

Record
GHSA-695j-c63m-mvxc
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
CISA KEV No score

Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability

Sudo contains an inclusion of functionality from untrusted control sphere vulnerability. This vulnerability could allow local attacker to leverage sudo’s -R (--chroot) option to run arbitrary commands as root, even if they are not listed in the sudoers file.

Record
CVE-2025-32463
Weakness
CWE-829
Updated
2026-11-02
NVD 9.3

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.

Record
CVE-2025-32463
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
OSVALPINE-CVE-2025-32463 7.8

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.

Record
ALPINE-CVE-2025-32463
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
Show 18 moreShow less
OSVBELL-CVE-2025-32463 7.8
Record
BELL-CVE-2025-32463
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 9.3

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.

Record
CVE-2025-32463
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
OSVDEBIAN-CVE-2025-32463 7.8

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.

Record
DEBIAN-CVE-2025-32463
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2025-1735 9.3

sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done.

Security Fix(es):

Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host nor ALL, allows listed users to execute commands on unintended machines.(CVE-2025-32462)

A vulnerability has been found in Todd Miller sudo 1.9.14/1.9.15/1.9.16/1.9.17 (Operating System Utility Software) and classified as critical.The manipulation of the argument -R/--chroot with an unknown input leads to a unknown weakness. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.As an impact it is known to affect confidentiality, integrity, and availability.Applying the patch 1.9.17p1 is able to eliminate this problem.(CVE-2025-32463)

Record
OESA-2025-1735
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2025-1736 9.3

sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done.

Security Fix(es):

Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host nor ALL, allows listed users to execute commands on unintended machines.(CVE-2025-32462)

A vulnerability has been found in Todd Miller sudo 1.9.14/1.9.15/1.9.16/1.9.17 (Operating System Utility Software) and classified as critical.The manipulation of the argument -R/--chroot with an unknown input leads to a unknown weakness. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.As an impact it is known to affect confidentiality, integrity, and availability.Applying the patch 1.9.17p1 is able to eliminate this problem.(CVE-2025-32463)

Record
OESA-2025-1736
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2025-1759 9.3

sudo security update

Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done.

Security Fix(es):

Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host nor ALL, allows listed users to execute commands on unintended machines.(CVE-2025-32462)

A vulnerability has been found in Todd Miller sudo 1.9.14/1.9.15/1.9.16/1.9.17 (Operating System Utility Software) and classified as critical.The manipulation of the argument -R/--chroot with an unknown input leads to a unknown weakness. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.As an impact it is known to affect confidentiality, integrity, and availability.Applying the patch 1.9.17p1 is able to eliminate this problem.(CVE-2025-32463)

Record
OESA-2025-1759
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2025:11537 7.8

Red Hat Security Advisory: sudo security update

Record
RHSA-2025:11537
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2025:11537 7.8

Important: sudo security update

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.

Security Fix(es):

  • sudo: LPE via host option (CVE-2025-32462)

  • sudo: LPE via chroot option (CVE-2025-32463)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2025:11537
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2025-32463 9.3

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.

Record
UBUNTU-CVE-2025-32463
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2025:11537 No score

Important: sudo security update

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.

Security Fix(es):

  • sudo: LPE via host option (CVE-2025-32462)
  • sudo: LPE via chroot option (CVE-2025-32463)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2025:11537
Updated
2026-11-02
OSVAZL-64458 No score

CVE-2025-32463 affecting package sudo for versions less than 1.9.17-1

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.

Record
AZL-64458
Updated
2026-11-05
OSVAZL-64464 No score

CVE-2025-32463 affecting package sudo for versions less than 1.9.17-1

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.

Record
AZL-64464
Updated
2026-11-02
OSVMGASA-2025-0213 No score

Updated sudo packages fix security vulnerabilities

CVE-2025-32462 - Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host nor ALL, allows listed users to execute commands on unintended machines CVE-2025-32463 - 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.

Record
MGASA-2025-0213
Updated
2026-11-02
OSVopenSUSE-SU-2025:15298-1 No score

sudo-1.9.17p1-1.1 on GA media

These are all security issues fixed in the sudo-1.9.17p1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15298-1
Updated
2026-11-02
OSVSUSE-SU-2025:02177-1 No score

Security update for sudo

This update for sudo fixes the following issues:

  • CVE-2025-32462: Fixed a possible local privilege escalation via the --host option (bsc#1245274).
  • CVE-2025-32463: Fixed a possible local privilege Escalation via chroot option (bsc#1245275).
Record
SUSE-SU-2025:02177-1
Updated
2026-11-02
OSVSUSE-SU-2025:20478-1 No score

Security update for sudo

This update for sudo fixes the following issues:

  • CVE-2025-32462: Fix a possible local privilege escalation via the --host option (bsc#1245274)
  • CVE-2025-32463: Fix a possible local privilege Escalation via chroot option (bsc#1245275)
Record
SUSE-SU-2025:20478-1
Updated
2026-11-02
OSVSUSE-SU-2025:20489-1 No score

Security update for sudo

This update for sudo fixes the following issues:

  • CVE-2025-32462: Fix a possible local privilege escalation via the --host option (bsc#1245274)
  • CVE-2025-32463: Fix a possible local privilege Escalation via chroot option (bsc#1245275)
Record
SUSE-SU-2025:20489-1
Updated
2026-11-02
OSVUSN-7604-1 No score

sudo vulnerabilities

Rich Mirch discovered that Sudo incorrectly handled the host option. In environments where per-host rules are configured in the sudoers file, a local attacker could use this issue to bypass the host restrictions. (CVE-2025-32462)

Rich Mirch discovered that Sudo incorrectly handled the chroot option. In environments where the sudoers file is configured to allow the chroot option, a local attacker could use this issue to run arbitrary commands as root. This issue only applied to Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-32463)

Record
USN-7604-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
sudo
Alpine:v3.21
1.9.14 up to 1.9.17_p1-r0
1.9.17_p1-r0
sudo
Alpine:v3.22
1.9.14 up to 1.9.17_p1-r0
1.9.17_p1-r0
sudo
Alpine:v3.23
1.9.14 up to 1.9.17_p1-r0
1.9.17_p1-r0
sudo
Alpine:v3.24
1.9.14 up to 1.9.17_p1-r0
1.9.17_p1-r0
sudo
AlmaLinux:10
From an advisory covering 2 CVEs
before 1.9.15-8.p5.el10_0.2
1.9.15-8.p5.el10_0.2
sudo-python-plugin
AlmaLinux:10
From an advisory covering 2 CVEs
before 1.9.15-8.p5.el10_0.2
1.9.15-8.p5.el10_0.2
sudo
Azure Linux:3
before 1.9.17-1
1.9.17-1
sudo
Azure Linux:2
before 1.9.17-1
1.9.17-1
sudo
Alpaquita:23
1.9.15_p5-r0 up to 1.9.15_p5-r1
1.9.15_p5-r1
sudo
Alpaquita:25
1.9.16_p2-r1 up to 1.9.17_p2-r0
1.9.17_p2-r0
Show 22 moreShow less
Affected packages
PackageAffectedFixed
sudo
Alpaquita:stream
1.9.14_p2-r0 up to 1.9.17_p1-r0
1.9.17_p1-r0
sudo
Debian:13
before 1.9.16p2-3
1.9.16p2-3
sudo
Debian:14
before 1.9.16p2-3
1.9.16p2-3
sudo
Mageia:9
From an advisory covering 2 CVEs
before 1.9.15p5-1.1.mga9
1.9.15p5-1.1.mga9
sudo
openEuler:24.03-LTS
From an advisory covering 2 CVEs
before 1.9.15p5-4.oe2403
1.9.15p5-4.oe2403
sudo
openEuler:24.03-LTS-SP1
From an advisory covering 2 CVEs
before 1.9.15p5-4.oe2403sp1
1.9.15p5-4.oe2403sp1
sudo
openEuler:24.03-LTS-SP2
From an advisory covering 2 CVEs
before 1.9.15p5-4.oe2403sp2
1.9.15p5-4.oe2403sp2
sudo-debuginfo
Red Hat:enterprise_linux:10.0
From an advisory covering 2 CVEs
before 0:1.9.15-8.p5.el10_0.2
0:1.9.15-8.p5.el10_0.2
sudo-debugsource
Red Hat:enterprise_linux:10.0
From an advisory covering 2 CVEs
before 0:1.9.15-8.p5.el10_0.2
0:1.9.15-8.p5.el10_0.2
sudo-python-plugin
Red Hat:enterprise_linux:10.0
From an advisory covering 2 CVEs
before 0:1.9.15-8.p5.el10_0.2
0:1.9.15-8.p5.el10_0.2
sudo-python-plugin-debuginfo
Red Hat:enterprise_linux:10.0
From an advisory covering 2 CVEs
before 0:1.9.15-8.p5.el10_0.2
0:1.9.15-8.p5.el10_0.2
sudo
Red Hat:enterprise_linux:10.0
From an advisory covering 2 CVEs
before 0:1.9.15-8.p5.el10_0.2
0:1.9.15-8.p5.el10_0.2
sudo
Rocky Linux:10
From an advisory covering 2 CVEs
before 0:1.9.15-8.p5.el10_0.2
0:1.9.15-8.p5.el10_0.2
sudo
SUSE:Linux Enterprise Module for Basesystem 15 SP6
From an advisory covering 2 CVEs
before 1.9.15p5-150600.3.9.1
1.9.15p5-150600.3.9.1
sudo
SUSE:Linux Enterprise Module for Basesystem 15 SP7
From an advisory covering 2 CVEs
before 1.9.15p5-150600.3.9.1
1.9.15p5-150600.3.9.1
sudo
openSUSE:Leap 15.6
From an advisory covering 2 CVEs
before 1.9.15p5-150600.3.9.1
1.9.15p5-150600.3.9.1
sudo
SUSE:Linux Micro 6.1
From an advisory covering 2 CVEs
before 1.9.15p5-slfo.1.1_2.1
1.9.15p5-slfo.1.1_2.1
sudo
SUSE:Linux Micro 6.0
From an advisory covering 2 CVEs
before 1.9.15p5-2.1
1.9.15p5-2.1
sudo
Ubuntu:24.04:LTS
before 1.9.15p5-3ubuntu5.24.04.1, plus listed versions
1.9.14p2-1ubuntu11.9.15p5-3ubuntu11.9.15p5-3ubuntu31.9.15p5-3ubuntu41.9.15p5-3ubuntu5
1.9.15p5-3ubuntu5.24.04.1
sudo
Ubuntu:22.04:LTS
From an advisory covering 2 CVEs
before 1.9.9-1ubuntu2.5, plus listed versions
1.9.5p2-3ubuntu21.9.9-1ubuntu21.9.9-1ubuntu2.11.9.9-1ubuntu2.21.9.9-1ubuntu2.31.9.9-1ubuntu2.4
1.9.9-1ubuntu2.5
sudo
Ubuntu:24.04:LTS
From an advisory covering 2 CVEs
before 1.9.15p5-3ubuntu5.24.04.1, plus listed versions
1.9.14p2-1ubuntu11.9.15p5-3ubuntu11.9.15p5-3ubuntu31.9.15p5-3ubuntu41.9.15p5-3ubuntu5
1.9.15p5-3ubuntu5.24.04.1
sudo
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
before 1.9.17p1-1.1
1.9.17p1-1.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
MetasploitSudo Chroot 1.9.17 Privilege Escalation2025-06-30
PoC in GitHub4f-kira/CVE-2025-324632025-07-01
PoC in GitHub7r00t/cve-2025-32463-lab2025-07-01
PoC in GitHubIC3-512/linux-root-kit2025-07-01
PoC in GitHubK1tt3h/CVE-2025-32463-POC2025-07-01
PoC in GitHubpr0v3rbs/CVE-2025-32463_chwoot2025-07-01
PoC in GitHubSysMancer/CVE-2025-324632025-07-02
PoC in GitHubkh4sh3i/CVE-2025-324632025-07-02
PoC in GitHubneko205-mx/CVE-2025-32463_Exploit2025-07-02
PoC in GitHubpevinkumar10/CVE-2025-324632025-07-02
Show 17 moreShow less
Public exploits
SourceLinkDate
PoC in GitHubrobbert1978/CVE-2025-32463_POC2025-07-02
PoC in GitHubzhaduchanhzz/CVE-2025-32463_POC2025-07-02
PoC in GitHub0xAkarii/CVE-2025-324632025-07-03
PoC in GitHubCIA911/sudo_patch_CVE-2025-324632025-07-03
PoC in GitHubMikivirus0/sudoinjection2025-07-03
PoC in GitHubmirchr/CVE-2025-32463-sudo-chwoot2025-07-03
PoC in GitHubsan8383/CVE-2025-324632025-07-03
PoC in GitHub0p5cur/CVE-2025-32463-POC2025-07-04
PoC in GitHubill-deed/CVE-2025-32463_illdeed2025-07-04
PoC in GitHubzinzloun/CVE-2025-324632025-07-04
PoC in GitHubgmh5225/Blackash-CVE-2025-324632025-07-05
PoC in GitHubChocapikk/CVE-2025-32463-lab2025-07-06
PoC in GitHubFreeDurok/CVE-2025-32463-PoC2025-07-06
Exploit-DBSudo chroot 1.9.17 - Local Privilege Escalation2025-07-08
PoC in GitHubSpongeBob-369/cve-2025-324632025-07-08
PoC in GitHubabrewer251/CVE-2025-32463_Sudo_PoC2025-07-08
PoC in GitHublowercasenumbers/CVE-2025-32463_sudo_chroot2025-07-08

History

History
RecordedChangedSources
affectedOSV
exploits_morePoC in GitHub
exploitation
affected, aliases, referencesOSV
exploits, exploits_more
first indexedCVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-32463 is a critical vulnerability (CVSS 9.3) in Sudo, published June 30, 2025. CISA lists it as known to be exploited, since September 29, 2025. EUVD reports exploitation since September 29, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 56.3%, the 99th percentile. Fixed in sudo 1.9.17_p1-r0.

References

Show 50 moreShow less
This page doesn't list everything

The full exploit list has 45 more links.

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