CVE-2020-35499

Summary

CVECVE-2020-35499
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-19 20:15:00 UTC
Updated2023-07-28 19:37:00 UTC
DescriptionA NULL pointer dereference flaw in Linux kernel versions prior to 5.11 may be seen if sco_sock_getsockopt function in net/bluetooth/sco.c do not have a sanity check for a socket connection, when using BT_SNDMTU/BT_RCVMTU for SCO sockets. This could allow a local attacker with a special user privilege to crash the system (DOS) or leak kernel internal information.

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
1910048 – (CVE-2020-35499) CVE-2020-35499 kernel: NULL pointer dereference in sco_sock_getsockopt function MISC bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 900101 CBL-Mariner Linux Security Update for kernel 5.10.52.1
  • 900303 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900321 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901080 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6527-1)
  • 903621 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3900)
  • 905795 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3900-1)
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