CVE-2019-19768

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Summary

CVECVE-2019-19768
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-12-12 20:15:00 UTC
Updated2020-06-10 20:15:00 UTC
DescriptionIn the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 5.4.0 All All All
Operating System Linux Linux Kernel 5.4.0 rc1 All All
Operating System Linux Linux Kernel 5.4.0 rc2 All All
Operating System Linux Linux Kernel 5.4.0 All All All
Operating System Linux Linux Kernel 5.4.0 rc1 All All
Operating System Linux Linux Kernel 5.4.0 rc2 All All

References

ReferenceSourceLinkTags
USN-4345-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com
205711 – LINUX KERNEL 5.4.0-rc2 - __blk_add_trace use-after-free MISC bugzilla.kernel.org Issue Tracking, Vendor Advisory
USN-4342-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com
USN-4344-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com
December 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
USN-4346-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com
[SECURITY] [DLA 2241-2] linux security update MLIST lists.debian.org
[security-announce] openSUSE-SU-2020:0388-1: important: Security update SUSE lists.opensuse.org
[SECURITY] [DLA 2242-1] linux-4.9 security update MLIST lists.debian.org
[SECURITY] [DLA 2241-1] linux security update MLIST lists.debian.org
Debian -- Security Information -- DSA-4698-1 linux DEBIAN www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 377065 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2020:0113)
  • 750691 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2020:1141-1)
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