Vulnerability · Published Aug 5, 2022 · Assigned by redhat

CVE-2022-1158

High 7.8

In plain English

A high-severity use-after-free in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 64.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.17.3-1DEBIAN-CVE-2022-1158
Debian:13linux5.17.3-1DEBIAN-CVE-2022-1158
Debian:14linux5.17.3-1DEBIAN-CVE-2022-1158
Ubuntu:22.04:LTSlinux5.15.0-37.39USN-5469-1
Ubuntu:22.04:LTSlinux5.15.0-37.39UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-aws5.15.0-1011.14UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-aws5.15.0-1011.14USN-5469-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1010.12UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-azure5.15.0-1010.12USN-5469-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1008.12USN-5469-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1008.12UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-gke5.15.0-1008.10UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-gke5.15.0-1008.10USN-5469-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1007.8UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-ibm5.15.0-1007.8USN-5469-1
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1008.11UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1008.11USN-5469-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1010.11USN-5469-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1010.11UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-37.39USN-5469-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-37.39UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1004.4UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-oracle5.15.0-1009.12USN-5469-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1009.12UBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-raspi5.15.0-1011.13USN-5469-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1011.13UBUNTU-CVE-2022-1158
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-1158
Ubuntu:22.04:LTSlinux-riscv5.15.0-1012.13UBUNTU-CVE-2022-1158

Affected products (as reported)

VendorProductVersions
n/a kernel kernel 5.18

Weakness: CWE-416

References