UBUNTU-CVE-2022-37035

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    UBUNTU-CVE-2022-37035

    Published: 2 Aug 2022Last Modified: 4 Feb 2026
    Upstream:
    CVE-2022-37035

    Summary:

    Details: An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() 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: https://ubuntu.com/security/CVE-2022-37035, https://docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit?usp=sharing, https://ubuntu.com/security/notices/USN-5685-1, https://www.cve.org/CVERecord?id=CVE-2022-37035, https://ubuntu.com/security/notices/USN-6807-1

    Affected packages

    Package

    Name: frr

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=esm-apps/focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.2.1-1ubuntu0.2+esm2

    Affected versions

    6.0.2-2build2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2022-37035 | CVE-DB