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    CVE-2018-6555

    The irda_setsockopt function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket.

    Published:Sep 4, 2018
    Last Modified:Nov 21, 2024
    EPS:Sep 4, 2018
    EPSS Score:0.00033
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

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    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…
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    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…
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    References

    http://www.securityfocus.com/bid/105304
    https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
    https://usn.ubuntu.com/3775-1/
    https://usn.ubuntu.com/3775-2/
    https://usn.ubuntu.com/3776-1/
    https://usn.ubuntu.com/3776-2/
    https://usn.ubuntu.com/3777-1/
    https://usn.ubuntu.com/3777-2/
    https://usn.ubuntu.com/3777-3/
    https://www.debian.org/security/2018/dsa-4308
    https://www.spinics.net/lists/stable/msg255031.html
    https://www.spinics.net/lists/stable/msg255035.html
    http://www.securityfocus.com/bid/105304
    https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
    https://usn.ubuntu.com/3775-1/
    https://usn.ubuntu.com/3775-2/
    https://usn.ubuntu.com/3776-1/
    https://usn.ubuntu.com/3776-2/
    https://usn.ubuntu.com/3777-1/
    https://usn.ubuntu.com/3777-2/
    https://usn.ubuntu.com/3777-3/
    https://www.debian.org/security/2018/dsa-4308
    https://www.spinics.net/lists/stable/msg255031.html
    https://www.spinics.net/lists/stable/msg255035.html

    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