USN-8803-1

Guannan Wang, Zhanpeng Liu, and Guancheng Li discovered that Sudo failed to apply intercept policy checks when commands were executed under certain circumstances. A local attacker permitted to run specific commands could possibly use this issue to bypass policy enforcement and logging, executing unauthorized programs.

References

Affected packages

Ubuntu:24.04:LTS / sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.9.15p5-3ubuntu5.24.04.3

Affected versions

1.*

1.9.14p2-1ubuntu1

1.9.15p5-3ubuntu1

1.9.15p5-3ubuntu3

1.9.15p5-3ubuntu4

1.9.15p5-3ubuntu5

1.9.15p5-3ubuntu5.24.04.1

1.9.15p5-3ubuntu5.24.04.2

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libnss-sudo",
            "binary_version":  "1.9.15p5-3ubuntu5.24.04.3"
        },
        {
            "binary_name":  "sudo",
            "binary_version":  "1.9.15p5-3ubuntu5.24.04.3"
        },
        {
            "binary_name":  "sudo-ldap",
            "binary_version":  "1.9.15p5-3ubuntu5.24.04.3"
        }
    ]
}

Database specific

cves_map

{
    "cves":  [
        {
            "id":  "CVE-2026-82474",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:24.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8803-1.json"

Ubuntu:26.04:LTS / sudo