CVE-2022-1263

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Summary

CVECVE-2022-1263
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-31 16:15:00 UTC
Updated2022-09-07 13:11:00 UTC
DescriptionA NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

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 5.18 rc1 All All
Operating System Linux Linux Kernel 5.18 rc2 All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 9.0 All All All

References

ReferenceSourceLinkTags
KVM: avoid NULL pointer dereference in kvm_dirty_ring_push · torvalds/linux@5593473 · GitHub MISC github.com
2072698 – (CVE-2022-1263) CVE-2022-1263 kernel: KVM: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c MISC bugzilla.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
oss-security - Linux kernel: x86/kvm: null-ptr-deref in kvm_dirty_ring_push MISC www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 184079 Debian Security Update for linux (CVE-2022-1263)
  • 198822 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5469-1)
  • 353964 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-001
  • 354327 Amazon Linux Security Advisory for kernel : ALAS2022-2022-083
  • 354468 Amazon Linux Security Advisory for kernel : ALAS2022-2022-185
  • 354542 Amazon Linux Security Advisory for kernel : ALAS-2022-185
  • 355199 Amazon Linux Security Advisory for kernel : ALAS2023-2023-070
  • 355565 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-023
  • 752750 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3844-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 753095 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3585-1)
  • 903753 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10812)
  • 903857 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10820)
  • 904099 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10812-1)
  • 904165 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10820-1)
  • 905855 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10812-2)
  • 906513 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10820-2)
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