UBUNTU-CVE-2023-53705

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    UBUNTU-CVE-2023-53705

    Published: 22 Oct 2025Last Modified: 8 Oct 2026
    Upstream:
    CVE-2023-53705

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

    References: https://ubuntu.com/security/CVE-2023-53705, https://www.cve.org/CVERecord?id=CVE-2023-53705, https://git.kernel.org/linus/878ecb0897f4737a4c9401f3523fd49589025671, https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef, https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb, https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94, https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671, https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c, https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0, https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40, https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    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-2023-53705 | CVE-DB