Vulnerability · Published Jan 5, 2023 · Assigned by redhat
CVE-2022-4378
High 7.8
In plain English
A high-severity security flaw 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 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 61.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | bpftool | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-core | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-core | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-debug | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-debug | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| 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:8 | kernel-debug-modules | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-devel | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| 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:8 | kernel-doc | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-doc | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-modules | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-modules | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-rt | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-425.19.2.rt7.230.el8_7 | ALSA-2023:1584 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux:8 | kernel-tools | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-tools | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| 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:8 | kernel-zfcpdump-modules | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | perf | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | perf | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| AlmaLinux:8 | python3-perf | 4.18.0-425.19.2.el8_7 | ALSA-2023:1566 |
| AlmaLinux:9 | python3-perf | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
| Debian:12 | linux | 6.0.12-1 | DEBIAN-CVE-2022-4378 |
| Debian:13 | linux | 6.0.12-1 | DEBIAN-CVE-2022-4378 |
| Debian:14 | linux | 6.0.12-1 | DEBIAN-CVE-2022-4378 |
| Rocky Linux:8 | kernel | 0:4.18.0-425.19.2.el8_7 | RLSA-2023:1566 |
| Rocky Linux:8 | kernel | 0:4.18.0-425.19.2.el8_7.cloud | RXSA-2023:1566 |
| Rocky Linux:9 | kernel | 0:5.14.0-162.18.1.el9_1.cloud | RXSA-2023:0951 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-425.19.2.rt7.230.el8_7 | RLSA-2023:1584 |
| Rocky Linux:9 | kernel-rt | 0:5.14.0-162.18.1.rt21.181.el9_1 | RLSA-2023:0979 |
| Ubuntu:22.04:LTS | linux | 5.15.0-58.64 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-58.64 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1028.32 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1028.32 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1031.38 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1031.38 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1031.38.1 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1031.38.1 | USN-5831-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1027.34 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1027.34 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1027.32 | USN-5860-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1027.32 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1013.17 | USN-5814-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1013.17 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-32.33~22.04.1 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-32.33~22.04.1 | USN-5879-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1023.26 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1023.26 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1023.28 | USN-5814-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1023.28 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1026.31 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1026.31 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-58.64 | USN-5814-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-58.64 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1017.17 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1026.27 | USN-5799-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1026.27 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1010.10 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1010.10 | USN-5799-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1027.33 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1027.33 | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1023.25 | USN-5803-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1023.25 | UBUNTU-CVE-2022-4378 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-4378 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-4378 |
Affected products (as reported)
Weakness: CWE-131 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2152548
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-avoid-integer-type-confusion-in-get_proc_long.patch
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-proc_skip_spaces-shouldn-t-think-it-is-working-on-c-strings.patch
- https://seclists.org/oss-sec/2022/q4/178
- http://packetstormsecurity.com/files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html