CVE-2022-28655
is_closing_session() allows users to create arbitrary tcp dbus connections
CVE-2022-28655 is a high vulnerability (CVSS 7.1) in Apport Project Apport, published May 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. Fixed in apport 2.20.1-0ubuntu2.30+esm4.
is_closing_session() allows users to create arbitrary tcp dbus connections
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.1
is_closing_session() allows users to create arbitrary tcp dbus connections
- Record
CVE-2022-28655- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List
7.1
is_closing_session() allows users to create arbitrary tcp dbus connections
- Record
CVE-2022-28655- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2022-33097
7.1
is_closing_session() allows users to create arbitrary tcp dbus connections
- Record
EUVD-2022-33097- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jm9-f4h8-qchf
7.1
is_closing_session() allows users to create arbitrary tcp dbus connections
is_closing_session() allows users to create arbitrary tcp dbus connections
- Record
GHSA-8jm9-f4h8-qchf- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSV
7.1
is_closing_session() allows users to create arbitrary tcp dbus connections
- Record
CVE-2022-28655- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-28655
7.1
is_closing_session() allows users to create arbitrary tcp dbus connections
- Record
UBUNTU-CVE-2022-28655- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
OSVUSN-5427-1 No score
apport vulnerabilities
Muqing Liu and neoni discovered that Apport incorrectly handled detecting if an executable was replaced after a crash. A local attacker could possibly use this issue to execute arbitrary code as the root user. (CVE-2021-3899)
Gerrit Venema discovered that Apport incorrectly handled connections to Apport sockets inside containers. A local attacker could possibly use this issue to connect to arbitrary sockets as the root user. (CVE-2022-1242)
Gerrit Venema discovered that Apport incorrectly handled user settings files. A local attacker could possibly use this issue to cause Apport to consume resources, leading to a denial of service. (CVE-2022-28652)
Gerrit Venema discovered that Apport did not limit the amount of logging from D-Bus connections. A local attacker could possibly use this issue to fill up the Apport log file, leading to denial of service. (CVE-2022-28654)
Gerrit Venema discovered that Apport did not filter D-Bus connection strings. A local attacker could possibly use this issue to cause Apport to make arbitrary network connections. (CVE-2022-28655)
Gerrit Venema discovered that Apport did not limit the amount of memory being consumed during D-Bus connections. A local attacker could possibly use this issue to cause Apport to consume memory, leading to a denial of service. (CVE-2022-28656)
Gerrit Venema discovered that Apport did not disable the python crash handler before chrooting into a container. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2022-28657)
Gerrit Venema discovered that Apport incorrectly handled filename argument whitespace. A local attacker could possibly use this issue to spoof arguments to the Apport daemon. (CVE-2022-28658)
- Record
USN-5427-1- Updated
- 2026-11-02
OSVUSN-6894-1 No score
apport vulnerabilities
Muqing Liu and neoni discovered that Apport incorrectly handled detecting if an executable was replaced after a crash. A local attacker could possibly use this issue to execute arbitrary code as the root user. (CVE-2021-3899)
Gerrit Venema discovered that Apport incorrectly handled connections to Apport sockets inside containers. A local attacker could possibly use this issue to connect to arbitrary sockets as the root user. (CVE-2022-1242)
Gerrit Venema discovered that Apport incorrectly handled user settings files. A local attacker could possibly use this issue to cause Apport to consume resources, leading to a denial of service. (CVE-2022-28652)
Gerrit Venema discovered that Apport did not limit the amount of logging from D-Bus connections. A local attacker could possibly use this issue to fill up the Apport log file, leading to a denial of service. (CVE-2022-28654)
Gerrit Venema discovered that Apport did not filter D-Bus connection strings. A local attacker could possibly use this issue to cause Apport to make arbitrary network connections. (CVE-2022-28655)
Gerrit Venema discovered that Apport did not limit the amount of memory being consumed during D-Bus connections. A local attacker could possibly use this issue to cause Apport to consume memory, leading to a denial of service. (CVE-2022-28656)
Gerrit Venema discovered that Apport did not disable the python crash handler before chrooting into a container. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2022-28657)
Gerrit Venema discovered that Apport incorrectly handled filename argument whitespace. A local attacker could possibly use this issue to spoof arguments to the Apport daemon. (CVE-2022-28658)
- Record
USN-6894-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apportUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 2.12.5-0ubuntu22.12.6-0ubuntu12.12.7-0ubuntu12.12.7-0ubuntu22.12.7-0ubuntu3 Show 45 moreShow less2.12.7-0ubuntu62.13.1-0ubuntu12.13.1-0ubuntu22.13.2-0ubuntu22.13.2-0ubuntu32.13.2-0ubuntu42.13.2-0ubuntu52.13.3-0ubuntu12.14-0ubuntu12.14.1-0ubuntu12.14.1-0ubuntu22.14.1-0ubuntu32.14.1-0ubuntu3.12.14.1-0ubuntu3.22.14.1-0ubuntu3.32.14.1-0ubuntu3.42.14.1-0ubuntu3.52.14.1-0ubuntu3.62.14.1-0ubuntu3.72.14.1-0ubuntu3.82.14.1-0ubuntu3.92.14.1-0ubuntu3.102.14.1-0ubuntu3.112.14.1-0ubuntu3.122.14.1-0ubuntu3.132.14.1-0ubuntu3.152.14.1-0ubuntu3.162.14.1-0ubuntu3.182.14.1-0ubuntu3.192.14.1-0ubuntu3.202.14.1-0ubuntu3.212.14.1-0ubuntu3.232.14.1-0ubuntu3.242.14.1-0ubuntu3.252.14.1-0ubuntu3.272.14.1-0ubuntu3.282.14.1-0ubuntu3.292.14.1-0ubuntu3.29+esm12.14.1-0ubuntu3.29+esm22.14.1-0ubuntu3.29+esm32.14.1-0ubuntu3.29+esm42.14.1-0ubuntu3.29+esm52.14.1-0ubuntu3.29+esm62.14.1-0ubuntu3.29+esm72.14.1-0ubuntu3.29+esm8 |
None known |
apportUbuntu:Pro:16.04:LTS |
before 2.20.1-0ubuntu2.30+esm4, plus listed versions 2.19.1-0ubuntu32.19.2-0ubuntu12.19.2-0ubuntu22.19.2-0ubuntu32.19.2-0ubuntu4 Show 41 moreShow less2.19.2-0ubuntu52.19.2-0ubuntu62.19.2-0ubuntu82.19.2-0ubuntu92.19.3-0ubuntu12.19.3-0ubuntu22.19.3-0ubuntu32.19.4-0ubuntu12.19.4-0ubuntu22.20-0ubuntu22.20-0ubuntu32.20.1-0ubuntu12.20.1-0ubuntu22.20.1-0ubuntu2.12.20.1-0ubuntu2.22.20.1-0ubuntu2.42.20.1-0ubuntu2.52.20.1-0ubuntu2.62.20.1-0ubuntu2.92.20.1-0ubuntu2.102.20.1-0ubuntu2.122.20.1-0ubuntu2.132.20.1-0ubuntu2.142.20.1-0ubuntu2.152.20.1-0ubuntu2.162.20.1-0ubuntu2.172.20.1-0ubuntu2.182.20.1-0ubuntu2.192.20.1-0ubuntu2.202.20.1-0ubuntu2.212.20.1-0ubuntu2.222.20.1-0ubuntu2.232.20.1-0ubuntu2.242.20.1-0ubuntu2.252.20.1-0ubuntu2.262.20.1-0ubuntu2.272.20.1-0ubuntu2.282.20.1-0ubuntu2.302.20.1-0ubuntu2.30+esm12.20.1-0ubuntu2.30+esm22.20.1-0ubuntu2.30+esm3 |
2.20.1-0ubuntu2.30+esm4 |
apportUbuntu:18.04:LTS |
before 2.20.9-0ubuntu7.28, plus listed versions 2.20.7-0ubuntu32.20.7-0ubuntu3.12.20.7-0ubuntu42.20.8-0ubuntu12.20.8-0ubuntu2 Show 38 moreShow less2.20.8-0ubuntu32.20.8-0ubuntu42.20.8-0ubuntu52.20.8-0ubuntu62.20.8-0ubuntu72.20.8-0ubuntu82.20.8-0ubuntu92.20.8-0ubuntu102.20.9-0ubuntu12.20.9-0ubuntu22.20.9-0ubuntu42.20.9-0ubuntu52.20.9-0ubuntu62.20.9-0ubuntu72.20.9-0ubuntu7.12.20.9-0ubuntu7.22.20.9-0ubuntu7.32.20.9-0ubuntu7.42.20.9-0ubuntu7.52.20.9-0ubuntu7.62.20.9-0ubuntu7.72.20.9-0ubuntu7.82.20.9-0ubuntu7.92.20.9-0ubuntu7.112.20.9-0ubuntu7.122.20.9-0ubuntu7.132.20.9-0ubuntu7.142.20.9-0ubuntu7.152.20.9-0ubuntu7.162.20.9-0ubuntu7.172.20.9-0ubuntu7.182.20.9-0ubuntu7.192.20.9-0ubuntu7.202.20.9-0ubuntu7.212.20.9-0ubuntu7.232.20.9-0ubuntu7.242.20.9-0ubuntu7.262.20.9-0ubuntu7.27 |
2.20.9-0ubuntu7.28 |
apportUbuntu:20.04:LTS |
before 2.20.11-0ubuntu27.24, plus listed versions 2.20.11-0ubuntu82.20.11-0ubuntu92.20.11-0ubuntu132.20.11-0ubuntu142.20.11-0ubuntu15 Show 28 moreShow less2.20.11-0ubuntu162.20.11-0ubuntu172.20.11-0ubuntu182.20.11-0ubuntu192.20.11-0ubuntu202.20.11-0ubuntu212.20.11-0ubuntu222.20.11-0ubuntu242.20.11-0ubuntu252.20.11-0ubuntu262.20.11-0ubuntu272.20.11-0ubuntu27.22.20.11-0ubuntu27.32.20.11-0ubuntu27.42.20.11-0ubuntu27.62.20.11-0ubuntu27.82.20.11-0ubuntu27.92.20.11-0ubuntu27.102.20.11-0ubuntu27.112.20.11-0ubuntu27.122.20.11-0ubuntu27.132.20.11-0ubuntu27.142.20.11-0ubuntu27.162.20.11-0ubuntu27.172.20.11-0ubuntu27.182.20.11-0ubuntu27.202.20.11-0ubuntu27.212.20.11-0ubuntu27.23 |
2.20.11-0ubuntu27.24 |
apportUbuntu:22.04:LTS |
before 2.20.11-0ubuntu82.1, plus listed versions 2.20.11-0ubuntu702.20.11-0ubuntu732.20.11-0ubuntu742.20.11-0ubuntu752.20.11-0ubuntu76 Show 6 moreShow less2.20.11-0ubuntu772.20.11-0ubuntu782.20.11-0ubuntu792.20.11-0ubuntu802.20.11-0ubuntu812.20.11-0ubuntu82 |
2.20.11-0ubuntu82.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, products | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
ubuntu.com/security/notices/USN-5427-1
cve.org/CVERecord?id=CVE-2022-28655
nvd.nist.gov/vuln/detail/CVE-2022-28655
github.com/advisories/GHSA-8jm9-f4h8-qchf
github.com/CVEProject/cvelistV5/tree/main/cves/2022/28xxx/CVE-2022-28655.json
github.com/canonical/apport
Show 9 moreShow less
ubuntu.com/security/CVE-2022-28655
ubuntu.com/security/notices/USN-6894-1
ubuntu.com/security/CVE-2021-3899
ubuntu.com/security/CVE-2022-1242
ubuntu.com/security/CVE-2022-28652
ubuntu.com/security/CVE-2022-28654
ubuntu.com/security/CVE-2022-28656
ubuntu.com/security/CVE-2022-28657
ubuntu.com/security/CVE-2022-28658
Left out here: 1 version. The JSON record has them.