CVE-2022-2787

stricter rules on chroot names

4.3 MediumFix available

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

1.04%Up 0.2 points since Aug 28, 2022

What each source reports

NVD Score used 4.3

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: CVE-2022-2787
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-281
Updated: 2026-11-02

CVE List No score

stricter rules on chroot names

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: CVE-2022-2787
Updated: 2026-11-02

EUVDEUVD-2022-35028 No score

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: EUVD-2022-35028
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pmr6-f78j-pq2c 4.3

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of...

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: GHSA-pmr6-f78j-pq2c
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-281
Updated: 2026-11-02

OSV 4.3

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: CVE-2022-2787
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-2787 4.3

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: DEBIAN-CVE-2022-2787
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-2787 4.3

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Record: UBUNTU-CVE-2022-2787
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVMGASA-2022-0329 No score

Updated schroot packages fix security vulnerability

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session. (CVE-2022-2787)

Record: MGASA-2022-0329
Updated: 2026-11-02

OSVUSN-5584-1 No score

schroot vulnerability

It was discovered that Schroot incorrectly handled certain Schroot names. An attacker could possibly use this issue to break schroot's internal state causing a denial of service.

Record: USN-5584-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`schroot` Debian:12	before 1.6.12-2	1.6.12-2
`schroot` Debian:13	before 1.6.12-2	1.6.12-2
`schroot` Debian:14	before 1.6.12-2	1.6.12-2
`schroot` Debian:10	before 1.6.10-6+deb10u1, plus listed versions 1.6.10-6	1.6.10-6+deb10u1
`schroot` Debian:11	before 1.6.10-12+deb11u1, plus listed versions 1.6.10-12	1.6.10-12+deb11u1
`schroot` Mageia:8	before 1.7.2-18.1.mga8	1.7.2-18.1.mga8
`schroot` Ubuntu:Pro:16.04:LTS	before 1.6.10-1ubuntu3+esm1, plus listed versions 1.6.10-1ubuntu21.6.10-1ubuntu3	1.6.10-1ubuntu3+esm1
`schroot` Ubuntu:18.04:LTS	before 1.6.10-4ubuntu0.1, plus listed versions 1.6.10-41.6.10-4build1	1.6.10-4ubuntu0.1
`schroot` Ubuntu:20.04:LTS	before 1.6.10-9ubuntu0.1, plus listed versions 1.6.10-61.6.10-81.6.10-91.6.10-9build1	1.6.10-9ubuntu0.1
`schroot` Ubuntu:22.04:LTS	before 1.6.10-12ubuntu3.1, plus listed versions 1.6.10-12ubuntu21.6.10-12ubuntu3	1.6.10-12ubuntu3.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-2787 is a medium vulnerability (CVSS 4.3) in Debian Schroot, published August 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in schroot 1.6.12-2.

References

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