Description
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | Linux kernel versions prior to 5.16-rc6 | — |
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 | 5.15.15-1 | — |
| Debian 13 | linux | 5.15.15-1 | — |
| Debian 12 | linux | 5.15.15-1 | — |
| Debian 10 | linux | 4.19.232-1 | DSA-5096-1 |
| Debian 9 | linux-4.19 | 4.19.232-1~deb9u1 | DLA-2941-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-105.119 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1069.73 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-aws-5.13 | 5.13.0-1019.21~20.04.1 | USN-5337-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1073.76 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-azure-5.13 | 5.13.0-1021.24~20.04.1 | USN-5368-1 |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1073.76+cvm1.1 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1032.35 | USN-5377-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1068.72 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | 5.13.0-1021.25~20.04.1 | USN-5337-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1066.69 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1037.38 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | 5.13.0-37.42~20.04.1 | USN-5337-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1018.20 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1059.62 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1022.24 | USN-5278-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1067.72 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | 5.13.0-1025.30~20.04.1 | USN-5368-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1056.63 | USN-5338-1 |
| Ubuntu 20.04 LTS | linux-riscv +17 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1069.73~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1073.76~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1068.72~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1066.69~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1037.38~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-105.119~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1018.20~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1067.72~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1056.63~18.04.1 | USN-5338-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1046.52 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.43.1 | SUSE-SU-2022:0198-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.37.1 | SUSE-SU-2022:0169-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.43.1.150300.18.27.1 | SUSE-SU-2022:0198-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.105.1 | SUSE-SU-2022:0366-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.88.1 | SUSE-SU-2022:0372-1 |
| SLES 12 SP5 | kernel-docs | 4.12.14-122.110.2 | SUSE-SU-2022:0364-1 |
| SLES 12 SP5 | kernel-syms +3 | 4.12.14-122.110.1 | SUSE-SU-2022:0364-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-197.105.1 | SUSE-SU-2022:0366-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.88.1 | SUSE-SU-2022:0372-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.110.1 | SUSE-SU-2022:0364-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.78.1 | SUSE-SU-2022:0555-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.43.1 | SUSE-SU-2022:0198-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.43.1.150300.18.27.1 | SUSE-SU-2022:0198-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.71.1 | SUSE-SU-2022:0288-1 |
| SLE Micro 5.0 | kernel-default | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SLE Micro 5.0 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SLE Micro 5.0 | kernel-rt | 5.3.18-68.1 | SUSE-SU-2022:0289-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.43.1 | SUSE-SU-2022:0198-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_12 | 1-150300.7.3.1 | SUSE-SU-2022:0198-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_23 | 1-5.3.1 | SUSE-SU-2022:0197-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.105.1 | SUSE-SU-2022:0366-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_28 | 1-3.3.1 | SUSE-SU-2022:0366-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.110.1 | SUSE-SU-2022:0364-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_28 | 1-8.3.2 | SUSE-SU-2022:0364-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-197.105.1 | SUSE-SU-2022:0366-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.71.1 | SUSE-SU-2022:0288-1 |
| SUSE Real Time Module 15 SP2 | kernel-rt +3 | 5.3.18-68.1 | SUSE-SU-2022:0289-1 |
| SUSE Manager Server 4.1 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SUSE Manager Server 4.1 | kernel-docs +5 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-docs +4 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SUSE Manager Proxy 4.1 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SUSE Manager Proxy 4.1 | kernel-docs +4 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-24.99.1.9.46.1 | SUSE-SU-2022:0197-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-24.99.1 | SUSE-SU-2022:0197-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-197.105.1 | SUSE-SU-2022:0366-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | dtb-aarch64 +7 | 5.3.18-150300.59.43.1 | openSUSE-SU-2022:0198-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.37.1 | openSUSE-SU-2022:0169-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-197.105.1 | openSUSE-SU-2022:0366-1, openSUSE-SU-2022:0198-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.43.1.150300.18.27.1 | openSUSE-SU-2022:0198-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.67.1-4 | — |
Advisories 19
- USN-5278-1 linux-oem-5.14 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5338-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gke, lnux-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 14, 2026
- USN-5368-1 linux-azure-5.13, linux-oracle-5.13 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5377-1 linux-bluefield vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5337-1 linux, linux-aws, linux-aws-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-kvm, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- DSA-5096-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2941-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:0364-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0289-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0169-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0169-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0555-1 Security update for the Linux RT Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0366-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0198-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0197-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0288-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0372-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0198-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0366-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025