Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Propagate error from htab_lock_bucket() to userspace
In __htab_map_lookup_and_delete_batch() if htab_lock_bucket() returns
-EBUSY, it will go to next bucket. Going to next bucket may not only
skip the elements in current bucket silently, but also incur
out-of-bound memory access or expose kernel memory to userspace if
current bucket_cnt is greater than bucket_size or zero.
Fixing it by stopping batch operation and returning -EBUSY when
htab_lock_bucket() fails, and the application can retry or skip the busy
batch as needed.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 5.11 | 5.15.75 |
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 | 6.0.3-1 | — |
| Debian 13 | linux | 6.0.3-1 | — |
| Debian 12 | linux | 6.0.3-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1014.16 | — |
| Ubuntu 24.04 LTS | linux-intel +9 | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-60.66 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1030.34 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1033.40 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1033.40.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1029.36 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1027.32 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1015.19 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1025.28 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1025.30 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1028.33 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1017.17 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1029.35 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1024.26 | — |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1030.34~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1033.40~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1029.36~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-60.66~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1025.30~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1029.35~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1029.33~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.127.1 | SUSE-SU-2025:4320-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.127.1.150500.6.61.1 | SUSE-SU-2025:4320-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | kernel-default-base | 5.14.21-150500.55.127.1.150500.6.61.1 | SUSE-SU-2025:4320-1 |
| SLES for SAP 15 SP5 | kernel-docs +4 | 5.14.21-150500.55.127.1 | SUSE-SU-2025:4320-1 |
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
| SLES for SAP 15 SP4 | kernel-docs +4 | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.127.1.150500.6.61.1 | SUSE-SU-2025:4320-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.112.1 | SUSE-SU-2025:4149-1 |
| SLE Micro 5.5 | kernel-source +1 | 5.14.21-150500.55.127.1 | SUSE-SU-2025:4320-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
| SLE Micro 5.4 | kernel-rt +1 | 5.14.21-150400.15.136.1 | SUSE-SU-2025:4139-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
| SLE Micro 5.3 | kernel-rt +1 | 5.14.21-150400.15.136.1 | SUSE-SU-2025:4139-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.127.1 | SUSE-SU-2025:4320-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_21 +1 | 17-150500.2.1 | SUSE-SU-2026:0246-1, SUSE-SU-2026:0173-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_23 +1 | 13-150500.2.1 | SUSE-SU-2026:0206-1, SUSE-SU-2026:0180-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_27 | 11-150500.2.1 | SUSE-SU-2026:0184-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_29 | 8-150500.2.1 | SUSE-SU-2026:0186-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_30 | 5-150500.2.1 | SUSE-SU-2026:0187-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_31 | 3-150500.2.1 | SUSE-SU-2026:0188-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_32 | 1-150500.11.3.1 | SUSE-SU-2025:4320-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_34 | 19-150400.2.1 | SUSE-SU-2026:0174-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_35 | 18-150400.2.1 | SUSE-SU-2026:0166-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_36 | 13-150400.2.1 | SUSE-SU-2026:0163-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_40 | 12-150400.2.1 | SUSE-SU-2026:0168-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_43 | 7-150400.2.1 | SUSE-SU-2026:0191-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_44 | 6-150400.2.1 | SUSE-SU-2026:0176-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_45 | 4-150400.2.1 | SUSE-SU-2026:0185-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_46 | 1-150400.9.5.1 | SUSE-SU-2025:4111-1 |
| SLE HPC 15 SP5 | kernel-64kb +5 | 5.14.21-150500.55.127.1 | SUSE-SU-2025:4320-1 |
| SLE HPC 15 SP5 | kernel-default-base | 5.14.21-150500.55.127.1.150500.6.61.1 | SUSE-SU-2025:4320-1 |
| SLE HPC 15 SP4 | kernel-64kb +5 | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
| SUSE Manager Server LTS 4.3 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
| SUSE Manager Server LTS 4.3 | kernel-syms +3 | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
| SUSE Manager Proxy LTS 4.3 | kernel-default-base | 5.14.21-150400.24.184.1.150400.24.94.2 | SUSE-SU-2025:4111-1 |
| SUSE Manager Proxy LTS 4.3 | kernel-syms +2 | 5.14.21-150400.24.184.1 | SUSE-SU-2025:4111-1 |
Advisories 20
- WID-SEC-2025-2194 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- SUSE-SU-2026:0246-1 Security update for the Linux Kernel (Live Patch 22 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0187-1 Security update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0188-1 Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0185-1 Security update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0180-1 Security update for the Linux Kernel (Live Patch 24 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0186-1 Security update for the Linux Kernel (Live Patch 29 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4139-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0191-1 Security update for the Linux Kernel (Live Patch 43 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4149-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0184-1 Security update for the Linux Kernel (Live Patch 27 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4111-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0163-1 Security update for the Linux Kernel (Live Patch 36 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0174-1 Security update for the Linux Kernel (Live Patch 34 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0168-1 Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0176-1 Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:4320-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0166-1 Security update for the Linux Kernel (Live Patch 35 for SUSE Linux Enterprise 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0173-1 Security update for the Linux Kernel (Live Patch 21 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0206-1 Security update for the Linux Kernel (Live Patch 23 for SUSE Linux Enterprise 15 SP5) SUSE / openSUSE Security Updates · Feb 4, 2026