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Vulnerability · Published Aug 24, 2022 · Assigned by redhat

CVE-2022-2978

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 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 83.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.2-1DEBIAN-CVE-2022-2978
Debian:13linux6.0.2-1DEBIAN-CVE-2022-2978
Debian:14linux6.0.2-1DEBIAN-CVE-2022-2978
Ubuntu:22.04:LTSlinux5.15.0-53.59UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux5.15.0-53.59USN-5729-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-aws5.15.0-1023.27UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-aws5.15.0-1023.27USN-5729-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-azure5.15.0-1023.29USN-5729-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1023.29UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-gcp5.15.0-1022.29USN-5729-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1022.29UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-gke5.15.0-1020.25UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-gke5.15.0-1020.25USN-5729-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1008.12USN-5729-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1008.12UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-ibm5.15.0-1018.21USN-5729-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1018.21UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1018.23UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1018.23USN-5729-2
Ubuntu:22.04:LTSlinux-kvm5.15.0-1021.26UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-kvm5.15.0-1021.26USN-5729-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-53.59USN-5729-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-53.59UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1020.21USN-5693-1
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1020.21UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-oracle5.15.0-1022.28UBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-oracle5.15.0-1022.28USN-5729-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1018.20USN-5729-2
Ubuntu:22.04:LTSlinux-raspi5.15.0-1018.20UBUNTU-CVE-2022-2978
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-2978
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-2978

Affected products (as reported)

VendorProductVersions
n/a Kernel Linux kernel 6.0-rc3

Weakness: CWE-416

References