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    CVE-2022-35414

    softmmu/physmem.c in QEMU through 7.0.0 can perform an uninitialized read on the translate_fail path, leading to an io_readx or io_writex crash. NOTE: a third party states that the Non-virtualization Use Case in the qemu.org reference applies here, i.e., "Bugs affecting the non-virtualization use case are not considered security bugs at this time.

    Published:Jul 11, 2022
    Last Modified:Nov 21, 2024
    EPS:Jul 11, 2022
    EPSS Score:0.00325
    CVSS Score:8.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Qemu
    Product
    Qemu

    Exploits

    https://sick.codes/sick-2022-113https://sick.codes/sick-2022-113

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c
    https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148
    https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482
    https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aa
    https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c
    https://gitlab.com/qemu-project/qemu/-/issues/1065
    https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
    https://sick.codes/sick-2022-113
    https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html
    https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case
    https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c
    https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148
    https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482
    https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aa
    https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c
    https://gitlab.com/qemu-project/qemu/-/issues/1065
    https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
    https://sick.codes/sick-2022-113
    https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html
    https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case

    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