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    CVE-2023-3268

    An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.

    Published:Apr 19, 2023
    Last Modified:Mar 11, 2025
    EPS:Jun 16, 2023
    EPSS Score:0.00006
    CVSS Score:7.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1
    https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
    https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/
    https://security.netapp.com/advisory/ntap-20230824-0006/
    https://www.debian.org/security/2023/dsa-5448
    https://www.debian.org/security/2023/dsa-5480
    https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1
    https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
    https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/
    https://security.netapp.com/advisory/ntap-20230824-0006/
    https://www.debian.org/security/2023/dsa-5448
    https://www.debian.org/security/2023/dsa-5480

    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