UBUNTU-CVE-2022-37035

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Source
https://ubuntu.com/security/CVE-2022-37035
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-37035.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2022-37035
Upstream
Downstream
Related
Published
2022-08-02T23:15:00Z
Modified
2025-09-08T16:50:20Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgpnotifysendwithdata() and bgpprocesspacket() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

References

Affected packages

Ubuntu:Pro:20.04:LTS / frr

Package

Name
frr
Purl
pkg:deb/ubuntu/frr@7.2.1-1ubuntu0.2+esm2?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.2.1-1ubuntu0.2+esm2

Affected versions

6.*

6.0.2-2build2

7.*

7.2-1ubuntu1
7.2-1ubuntu2
7.2.1-1
7.2.1-1ubuntu0.1
7.2.1-1ubuntu0.2
7.2.1-1ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "frr",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "frr-pythontools",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "frr-snmp",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:22.04:LTS / frr

Package

Name
frr
Purl
pkg:deb/ubuntu/frr@8.1-1ubuntu1.2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.1-1ubuntu1.2

Affected versions

7.*

7.5.1-1.1

8.*

8.1-1
8.1-1ubuntu1
8.1-1ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "frr",
            "binary_version": "8.1-1ubuntu1.2"
        },
        {
            "binary_name": "frr-pythontools",
            "binary_version": "8.1-1ubuntu1.2"
        },
        {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "8.1-1ubuntu1.2"
        },
        {
            "binary_name": "frr-snmp",
            "binary_version": "8.1-1ubuntu1.2"
        }
    ],
    "availability": "No subscription required"
}