CVE-2020-15437

Summary

CVECVE-2020-15437
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-11-23 21:15:00 UTC
Updated2020-12-02 19:24:00 UTC
DescriptionThe Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
LKML: Yang Yingliang: [PATCH] serial: 8250: fix null-ptr-deref in serial8250_start_tx() MISC lkml.org Exploit, Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159185 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-1578)
  • 239314 Red Hat Update for kernel-rt (RHSA-2021:1739)
  • 239339 Red Hat Update for kernel (RHSA-2021:1578)
  • 353100 Amazon Linux Security Advisory for kernel : ALAC2012-2021-024
  • 353101 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-025
  • 353102 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-026
  • 375284 EulerOS Security Update for kernel (EulerOS-SA-2021-1311)
  • 670185 EulerOS Security Update for kernel (EulerOS-SA-2021-1684)
  • 750376 OpenSUSE Security Update for RT kernel (openSUSE-SU-2021:0242-1)
  • 750488 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:2260-1)
  • 750508 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:2193-1)
  • 750518 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:2161-1)
  • 900040 CBL-Mariner Linux Security Update for kernel 5.4.91
  • 903625 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3633)
  • 905900 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3633-1)
  • 940354 AlmaLinux Security Update for kernel (ALSA-2021:1578)
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