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    CVE-2020-7053

    In the Linux kernel 4.14 longterm through 4.14.165 and 4.19 longterm through 4.19.96 (and 5.x before 5.2), there is a use-after-free (write) in the i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c, aka CID-7dc40713618c. This is related to i915_gem_context_destroy_ioctl in drivers/gpu/drm/i915/i915_gem_context.c.

    Published:Jan 14, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 14, 2020
    EPSS Score:0.0002
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859522
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310
    https://lore.kernel.org/stable/20200114183937.12224-1-tyhicks%40canonical.com
    https://security.netapp.com/advisory/ntap-20200204-0002/
    https://usn.ubuntu.com/4255-1/
    https://usn.ubuntu.com/4255-2/
    https://usn.ubuntu.com/4285-1/
    https://usn.ubuntu.com/4287-1/
    https://usn.ubuntu.com/4287-2/
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859522
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310
    https://lore.kernel.org/stable/20200114183937.12224-1-tyhicks%40canonical.com
    https://security.netapp.com/advisory/ntap-20200204-0002/
    https://usn.ubuntu.com/4255-1/
    https://usn.ubuntu.com/4255-2/
    https://usn.ubuntu.com/4285-1/
    https://usn.ubuntu.com/4287-1/
    https://usn.ubuntu.com/4287-2/

    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