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    CVE-2018-10877

    Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.

    Published:Apr 16, 2018
    Last Modified:Nov 21, 2024
    EPS:Jul 18, 2018
    EPSS Score:0.00349
    CVSS Score:7.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://www.securityfocus.com/bid/104878
    http://www.securityfocus.com/bid/106503
    https://access.redhat.com/errata/RHSA-2018:2948
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877
    https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
    https://usn.ubuntu.com/3753-1/
    https://usn.ubuntu.com/3753-2/
    https://usn.ubuntu.com/3754-1/
    https://usn.ubuntu.com/3871-1/
    https://usn.ubuntu.com/3871-3/
    https://usn.ubuntu.com/3871-4/
    https://usn.ubuntu.com/3871-5/
    http://www.securityfocus.com/bid/104878
    http://www.securityfocus.com/bid/106503
    https://access.redhat.com/errata/RHSA-2018:2948
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877
    https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
    https://usn.ubuntu.com/3753-1/
    https://usn.ubuntu.com/3753-2/
    https://usn.ubuntu.com/3754-1/
    https://usn.ubuntu.com/3871-1/
    https://usn.ubuntu.com/3871-3/
    https://usn.ubuntu.com/3871-4/
    https://usn.ubuntu.com/3871-5/

    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