Vulnerability · Published Aug 5, 2022 · Assigned by redhat
CVE-2022-1012
High 8.2
In plain English
A high-severity memory leak in Kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.4% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.2High
Exploit odds (30 days)4.4%top 8.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | bpftool | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-core | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-core | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-debug | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-debug | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-devel | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-devel | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-doc | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-doc | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-headers | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-headers | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-modules | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-modules | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-rt | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-372.19.1.rt7.176.el8_6 | ALSA-2022:5834 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-70.17.1.rt21.89.el9_0 | ALSA-2022:5267 |
| AlmaLinux:8 | kernel-tools | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-tools | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | perf | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | perf | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| AlmaLinux:8 | python3-perf | 4.18.0-372.19.1.el8_6 | ALSA-2022:5819 |
| AlmaLinux:9 | python3-perf | 5.14.0-70.17.1.el9_0 | ALSA-2022:5249 |
| Debian:12 | linux | 5.17.11-1 | DEBIAN-CVE-2022-1012 |
| Debian:13 | linux | 5.17.11-1 | DEBIAN-CVE-2022-1012 |
| Debian:14 | linux | 5.17.11-1 | DEBIAN-CVE-2022-1012 |
| Rocky Linux:8 | kernel | 0:4.18.0-372.19.1.el8_6 | RLSA-2022:5819 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-372.19.1.rt7.176.el8_6 | RLSA-2022:5834 |
| Ubuntu:22.04:LTS | linux | 5.15.0-47.51 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-47.51 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1019.23 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1019.23 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1019.24 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1019.24 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1017.23 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1017.23 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1015.18 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1015.18 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1002.4 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1002.4 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1013.15 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1013.15 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1013.17 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1015.20 | USN-5616-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1017.21 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1017.21 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-47.53 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-47.53 | USN-5594-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1007.7 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1011.12 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1011.12 | USN-5471-1 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1017.22 | USN-5599-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1017.22 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1014.16 | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1014.16 | USN-5602-1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-1012 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1018.21 | UBUNTU-CVE-2022-1012 |
Affected products (as reported)
Weakness: CWE-401