Description
An issue was discovered in the Linux kernel through 5.16-rc6. ef100_update_stats in drivers/net/ethernet/sfc/ef100_nic.c lacks check of the return value of kmalloc().
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kernel | Linux 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 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | linux-riscv | No fix yet | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1022.24 | — |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-372.9.1.rt7.166.el8 | RHSA-2022:1975 |
| RHEL 8 | perf +26 | 4.18.0-372.9.1.el8 | RHSA-2022:1988 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.31.1 | SUSE-SU-2023:0146-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Real Time 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE Real Time 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_2 | 1-150400.1.3.1 | SUSE-SU-2023:0147-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_7 | 1-150400.9.3.1 | SUSE-SU-2023:0149-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_28 | 1-150300.7.3.1 | SUSE-SU-2023:0152-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
| SUSE Manager Server 4.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Server 4.2 | kernel-source +3 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Retail Branch Server 4.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Retail Branch Server 4.2 | kernel-source +2 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Proxy 4.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Proxy 4.2 | kernel-source +2 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1, SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-64kb +9 | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.31.1 | SUSE-SU-2023:0146-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| openSUSE Leap Micro 5.2 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| openSUSE Leap Micro 5.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| openSUSE Leap Micro 5.2 | kernel-rt | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.86.1-1 | — |
Advisories 8
- WID-SEC-2022-2322 Linux Kernel: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Nov 9, 2026
- RHSA-2022:1988 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:1975 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SUSE-SU-2023:0146-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0149-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0147-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0152-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0134-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026