CVE-2022-1263

Published: 8/31/2022 Last updated: 8/2/2024 Reserved: 4/6/2022

A 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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (1)

Product	Vendor	Version
Kernel:KVM	n/a	Android11/Android12/Android13

References (8)

https://bugzilla.redhat.com/show_bug.cgi?id=2072698
https://www.openwall.com/lists/oss-security/2022/04/07/1
https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4
https://access.redhat.com/security/cve/CVE-2022-1263
https://bugzilla.redhat.com/show_bug.cgi?id=2072698
https://www.openwall.com/lists/oss-security/2022/04/07/1
https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4
https://access.redhat.com/security/cve/CVE-2022-1263