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Vulnerability Details : CVE-2019-19602

fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.
Publish Date : 2019-12-05 Last Update Date : 2020-08-24
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- CVSS Scores & Vulnerability Types

CVSS Score
5.4
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruption
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:4431: kernel security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20204431 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-19602

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 19.10 * * * Version Details Vulnerabilities
3 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 2
Linux Linux Kernel 1

- References For CVE-2019-19602

https://security.netapp.com/advisory/ntap-20200103-0001/ CONFIRM
https://bugzilla.kernel.org/show_bug.cgi?id=205663
https://github.com/torvalds/linux/commit/59c4bd853abcea95eccc167a7d7fd5f1a5f47b98
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59c4bd853abcea95eccc167a7d7fd5f1a5f47b98
https://github.com/golang/go/issues/35777#issuecomment-561935388
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
https://usn.ubuntu.com/4284-1/
UBUNTU USN-4284-1

- Metasploit Modules Related To CVE-2019-19602

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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