Actively exploited · Published Jan 8, 2024 · Assigned by canonical
CVE-2022-2586
Medium 5.3 Exploited
In plain English
A medium-severity use-after-free in linux from The Linux Kernel Organization. Attackers are actively exploiting it in the wild (listed by CISA on June 26, 2024). The chance it is exploited in the next 30 days is estimated at 10.2% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)10.2%top 4.3% of all CVEs
Exploited in the wildYesCISA KEV since Jun 26, 2024
Attack tooling1Public PoC
CISA guidance
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Federal agencies must remediate by Jul 17, 2024.
Official description
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | bpftool | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-core | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-core | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-debug | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-devel | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-doc | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-doc | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-headers | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-headers | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-modules | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-modules | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-rt | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-tools | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-tools | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | perf | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | perf | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | python3-perf | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
| AlmaLinux:9 | python3-perf | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| Debian:12 | linux | 5.18.16-1 | DEBIAN-CVE-2022-2586 |
| Debian:13 | linux | 5.18.16-1 | DEBIAN-CVE-2022-2586 |
| Debian:14 | linux | 5.18.16-1 | DEBIAN-CVE-2022-2586 |
| Rocky Linux:8 | kernel | 0:4.18.0-425.3.1.el8 | RLSA-2022:7683 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-425.3.1.rt7.213.el8 | RLSA-2022:7444 |
| Ubuntu:22.04:LTS | linux | 5.15.0-46.49 | USN-5565-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-46.49 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1017.21 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1017.21 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1017.20 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1017.20 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1016.21 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1016.21 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1014.17 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1014.17 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1002.4 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1012.14 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1012.14 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1013.17 | USN-5564-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1013.17 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1016.19 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1016.19 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-46.49 | USN-5565-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-46.49 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1007.7 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1015.16 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1015.16 | USN-5567-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1016.20 | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1016.20 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1013.15 | USN-5566-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1013.15 | UBUNTU-CVE-2022-2586 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-2586 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1017.19 | UBUNTU-CVE-2022-2586 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| The Linux Kernel Organization | linux | 3.16 – before 4.14.3164.15 – before 4.19.2564.20 – before 5.4.2115.5 – before 5.10.1375.11 – before 5.15.615.16 – before 5.18.185.19 – before 5.19.2 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
References
- https://ubuntu.com/security/notices/USN-5564-1 third-party-advisory
- https://ubuntu.com/security/notices/USN-5560-2 third-party-advisory
- https://ubuntu.com/security/notices/USN-5582-1 third-party-advisory
- https://ubuntu.com/security/notices/USN-5567-1 third-party-advisory
- https://ubuntu.com/security/notices/USN-5560-1 third-party-advisory
- https://ubuntu.com/security/notices/USN-5566-1 third-party-advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/5 issue-tracking
- https://ubuntu.com/security/notices/USN-5565-1 third-party-advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ issue-tracking
- https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t issue-tracking
- https://ubuntu.com/security/notices/USN-5562-1 third-party-advisory
- https://ubuntu.com/security/notices/USN-5557-1 third-party-advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 issue-tracking
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586 government-resource
- https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html