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    CVE-2020-9383

    An issue was discovered in the Linux kernel 3.16 through 5.5.6. set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.

    Published:Feb 21, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 25, 2020
    EPSS Score:0.00118
    CVSS Score:7.1

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    Data Availability Services
    Vendor
    Netapp
    Product
    H410c
    Vendor
    Netapp
    Product
    H410c Firmware
    Vendor
    Netapp
    Product
    Hci Management Node
    Vendor
    Netapp
    Product
    Solidfire
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller Firmware
    Vendor
    Netapp
    Product
    Steelstore Cloud Integrated Storage
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    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://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
    https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f9ac30a54dc0181ddac3705cdcf4775d863c530
    https://github.com/torvalds/linux/commit/2e90ca68b0d2f5548804f22f0dd61145516171e3
    https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
    https://security.netapp.com/advisory/ntap-20200313-0003/
    https://usn.ubuntu.com/4342-1/
    https://usn.ubuntu.com/4344-1/
    https://usn.ubuntu.com/4345-1/
    https://usn.ubuntu.com/4346-1/
    https://www.debian.org/security/2020/dsa-4698
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
    https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f9ac30a54dc0181ddac3705cdcf4775d863c530
    https://github.com/torvalds/linux/commit/2e90ca68b0d2f5548804f22f0dd61145516171e3
    https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
    https://security.netapp.com/advisory/ntap-20200313-0003/
    https://usn.ubuntu.com/4342-1/
    https://usn.ubuntu.com/4344-1/
    https://usn.ubuntu.com/4345-1/
    https://usn.ubuntu.com/4346-1/
    https://www.debian.org/security/2020/dsa-4698

    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