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    CVE-2020-15393

    In the Linux kernel 4.4 through 5.7.6, usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770.

    Published:Jun 2, 2020
    Last Modified:Nov 21, 2024
    EPS:Jun 29, 2020
    EPSS Score:0.00086
    CVSS Score:5.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-469 HTTP DoS

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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…
    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…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
    https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=831eebad70a25f55b5745453ac252d4afe997187
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28ebeb8db77035e058a510ce9bd17c2b9a009dba
    https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
    https://lkml.org/lkml/2020/6/2/968
    https://usn.ubuntu.com/4463-1/
    https://usn.ubuntu.com/4465-1/
    https://usn.ubuntu.com/4483-1/
    https://usn.ubuntu.com/4485-1/
    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
    https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=831eebad70a25f55b5745453ac252d4afe997187
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28ebeb8db77035e058a510ce9bd17c2b9a009dba
    https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
    https://lkml.org/lkml/2020/6/2/968
    https://usn.ubuntu.com/4463-1/
    https://usn.ubuntu.com/4465-1/
    https://usn.ubuntu.com/4483-1/
    https://usn.ubuntu.com/4485-1/

    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