Description
The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.17.3-1 | — |
| Debian 13 | linux | 5.17.3-1 | — |
| Debian 12 | linux | 5.17.3-1 | — |
| Debian 11 | linux | 5.10.120-1 | DSA-5161-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-43.46 | USN-5544-1 |
| 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-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-gkeop | 5.15.0-1002.4 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1012.14 | USN-5566-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1013.17 | USN-5564-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1016.19 | USN-5566-1 |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1004.4 | — |
| 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-realtime +1 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv | 5.15.0-1016.18 | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-124.140 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1083.90 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1017.21~20.04.1 | USN-5566-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1089.94 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1017.20~20.04.1 | USN-5566-1 |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1089.94+cvm1.2 | USN-5582-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1044.49 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1086.94 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1016.21~20.04.1 | USN-5566-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1080.86 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1014.17~20.04.1 | USN-5566-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1051.54 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-43.46~20.04.1 | USN-5544-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1031.35 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1015.20~20.04.2 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1004.6 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1073.78 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1044.49 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1081.89 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1016.20~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1068.78 | USN-5562-1 |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1017.19~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1083.90~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1089.94~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1086.94~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1080.86~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1051.54~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-124.140~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1031.35~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1081.89~18.04.1 | USN-5562-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1068.78~18.04.1 | USN-5562-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1019.19 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1083.90+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1089.94+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1059.67 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1086.94+fips1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | kernel-rt +12 | 5.14.0-162.6.1.rt21.168.el9_1 | RHSA-2022:7933 |
| RHEL 9 | perf +29 | 5.14.0-162.6.1.el9_1 | RHSA-2022:8267 |
| RHEL 8 | kernel-rt +12 | 4.18.0-425.3.1.rt7.213.el8 | RHSA-2022:7444 |
| RHEL 8 | perf +26 | 4.18.0-425.3.1.el8 | RHSA-2022:7683 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | perf +2 | 4.18.0-372.91.1.el8_6 | RHSA-2024:0724 |
| RHEL 8.6 EUS | perf +26 | 4.18.0-372.91.1.el8_6 | RHSA-2024:0724 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | kernel-rt +11 | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux 9 | perf +27 | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux 8 | kernel-rt +11 | 4.18.0-425.3.1.rt7.213.el8 | ALSA-2022:7444 |
| AlmaLinux 8 | perf +24 | 4.18.0-425.3.1.el8 | ALSA-2022:7683 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | kernel | 4.18.0-425.3.1.el8 | RLSA-2022:7683 |
| Rocky Linux 8 | kernel-rt | 4.18.0-425.3.1.rt7.213.el8 | RLSA-2022:7444 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.56.1 | SUSE-SU-2022:1676-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SLE Real Time 15 SP3 | release-notes-sle_rt | 15.3.20220422-150300.3.3.2 | SUSE-SU-2022:1669-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.88.2 | SUSE-SU-2022:1669-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.88.2 | SUSE-SU-2022:1669-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_18 | 1-150300.7.5.1 | SUSE-SU-2022:1687-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_27 | 1-150200.5.3.1 | SUSE-SU-2022:2104-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +2 | 5.3.18-150300.88.2 | SUSE-SU-2022:1669-1 |
| SUSE Real Time Module 15 SP3 | kernel-syms-rt | 5.3.18-150300.88.1 | SUSE-SU-2022:1669-1 |
| SUSE Real Time Module 15 SP3 | release-notes-sle_rt | 15.3.20220422-150300.3.3.2 | SUSE-SU-2022:1669-1 |
| SUSE Manager Server 4.1 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Server 4.1 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-docs +4 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Proxy 4.1 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Manager Proxy 4.1 | kernel-docs +4 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.115.1.150200.9.54.1 | SUSE-SU-2022:2104-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.115.1 | SUSE-SU-2022:2104-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 5.17.4-1.1 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:12017-1 |
| openSUSE Leap 15.4 | dtb-aarch64 +1 | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| openSUSE Leap 15.3 | dtb-aarch64 +11 | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.56.1 | SUSE-SU-2022:1676-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.10-15.42 | 1.0-0.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2023 | perf +12 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.41.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | perf +21 | 5.14.0-162.6.1.el9_1 | ELSA-2022-8267 |
| Oracle Linux 8 | perf +19 | 4.18.0-425.3.1.el8 | ELSA-2022-7683 |
Advisories 27
- ALSA-2022:8267 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7933 Moderate: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7444 Moderate: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7683 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8267 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2022:7683 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2024:0724 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:7933 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:7444 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- USN-5566-1 linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-ibm, linux-kvm, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5564-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5562-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Sep 10, 2026
- USN-5544-1 linux, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerabilities Ubuntu Security Notices (USN) · Sep 10, 2026
- USN-5582-1 linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-5161-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:7444 Moderate: kernel-rt security and bug fix update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7683 Moderate: kernel security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2022:1687-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1669-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1676-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12017-1 kernel-devel-5.17.4-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2104-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- WID-SEC-2022-0251 Linux Kernel: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Feb 7, 2024
- ELSA-2022-8267 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7683 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 15, 2022
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1a3b1bba7c7a5eb8a11513cf88427cb9d77bc60a
- [oss-security] 20220411 Re: CVE-2022-28893: Linux kernel: Use after free in SUNRPC subsystem mailing-list
- [oss-security] 20220411 CVE-2022-28893: Linux kernel: Use after free in SUNRPC subsystem mailing-list
- [oss-security] 20220411 Re: CVE-2022-28893: Linux kernel: Use after free in SUNRPC subsystem mailing-list
- https://security.netapp.com/advisory/ntap-20220526-0002/
- DSA-5161 vendor-advisory