Vulnerability · Published Jan 10, 2023 · Assigned by redhat
CVE-2022-4379
High 7.5
In plain English
A high-severity use-after-free in Linux kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.6% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)6.6%top 6.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | bpftool | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-core | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-debug | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-devel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-doc | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-modules | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-rt | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:9 | kernel-tools | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | perf | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:9 | python3-perf | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| Debian:12 | linux | 6.1.4-1 | DEBIAN-CVE-2022-4379 |
| Debian:13 | linux | 6.1.4-1 | DEBIAN-CVE-2022-4379 |
| Debian:14 | linux | 6.1.4-1 | DEBIAN-CVE-2022-4379 |
| Rocky Linux:9 | kernel | 0:5.14.0-162.18.1.el9_1.cloud | RXSA-2023:0951 |
| Rocky Linux:9 | kernel-rt | 0:5.14.0-162.18.1.rt21.181.el9_1 | RLSA-2023:0979 |
| Ubuntu:22.04:LTS | linux | 5.15.0-67.74 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux | 5.15.0-67.74 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1031.35 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1031.35 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1034.41 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1034.41 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1021.22~22.04.1 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1034.41.1 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1034.41.1 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1030.37 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1030.37 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1028.33 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1028.33 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1016.21 | USN-5938-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1016.21 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-35.36~22.04.1 | USN-5911-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-35.36~22.04.1 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1026.29 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1026.29 | USN-5935-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1026.31 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1026.31 | USN-5962-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1029.34 | USN-5941-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1029.34 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-67.74 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-67.74 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1018.19~22.04.1 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1023.23 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1028.29 | USN-5913-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1028.29 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1012.12 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1012.12 | USN-5914-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1007.7 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1007.7 | USN-5915-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1030.36 | USN-5912-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1030.36 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1025.27 | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1025.27 | USN-5935-1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-4379 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-4379 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Linux kernel | Linux kernel through v6.1-rc8 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://seclists.org/oss-sec/2022/q4/185
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0
- FEDORA-2023-f4f9182dc8 vendor-advisory
- FEDORA-2023-3fd7349f60 vendor-advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://security.netapp.com/advisory/ntap-20230223-0004/