CVE-2022-4144

Summary

An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.

Affected Software

Weaknesses

• CWE-125: CWE-125

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.redhat.com/show_bug.cgi?id=2148506
• https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/
• https://security.netapp.com/advisory/ntap-20230127-0012/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2148506
• https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/
• https://security.netapp.com/advisory/ntap-20230127-0012/

• ←Previous
• Next→