Description
In the Linux kernel, the following vulnerability has been resolved:
ice: fix eswitch code memory leak in reset scenario
Add simple eswitch mode checker in attaching VF procedure and allocate
required port representor memory structures only in switchdev mode.
The reset flows triggers VF (if present) detach/attach procedure.
It might involve VF port representor(s) re-creation if the device is
configured is switchdev mode (not legacy one).
The memory was blindly allocated in current implementation,
regardless of the mode and not freed if in legacy mode.
Kmemeleak trace:
unreferenced object (percpu) 0x7e3bce5b888458 (size 40):
comm "bash", pid 1784, jiffies 4295743894
hex dump (first 32 bytes on cpu 45):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 0):
pcpu_alloc_noprof+0x4c4/0x7c0
ice_repr_create+0x66/0x130 [ice]
ice_repr_create_vf+0x22/0x70 [ice]
ice_eswitch_attach_vf+0x1b/0xa0 [ice]
ice_reset_all_vfs+0x1dd/0x2f0 [ice]
ice_pci_err_resume+0x3b/0xb0 [ice]
pci_reset_function+0x8f/0x120
reset_store+0x56/0xa0
kernfs_fop_write_iter+0x120/0x1b0
vfs_write+0x31c/0x430
ksys_write+0x61/0xd0
do_syscall_64+0x5b/0x180
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Testing hints (ethX is PF netdev):
- create at least one VF
echo 1 > /sys/class/net/ethX/device/sriov_numvfs
- trigger the reset
echo 1 > /sys/class/net/ethX/device/reset
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 6.12 | 6.12.35 |
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 | 6.12.35-1 | — |
| Debian 13 | linux | 6.12.35-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | linux-azure-fde | No fix yet | — |
| Ubuntu 24.04 LTS | linux-aws-6.14 +1 | 6.14.0-1015.15~24.04.1 | USN-7833-3, USN-7833-1 |
| Ubuntu 24.04 LTS | linux-azure-6.14 | 6.14.0-1014.14~24.04.1 | USN-7834-1 |
| Ubuntu 24.04 LTS | linux-azure-nvidia-6.14 | 6.14.0-1007.7 | USN-7834-1 |
| Ubuntu 24.04 LTS | linux-gcp-6.14 | 6.14.0-1018.19~24.04.1 | USN-7833-4 |
| Ubuntu 24.04 LTS | linux-hwe-6.14 | 6.14.0-34.34~24.04.1 | USN-7856-1 |
| Ubuntu 24.04 LTS | linux-oem-6.14 | 6.14.0-1014.14 | USN-7833-1 |
| Ubuntu 24.04 LTS | linux-riscv +6 | No fix yet | — |
| Ubuntu 24.04 LTS | linux-riscv-6.14 | 6.14.0-34.34.1~24.04.1 | — |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | 6.14.0-1014.14~24.04.1 | USN-7833-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | rv +77 | 6.12.0-55.29.1.el10_0 | RHSA-2025:14510 |
| RHEL 9 | rv +77 | 5.14.0-570.37.1.el9_6 | RHSA-2025:14420 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | kernel-doc +1 | 6.12.0-55.29.1.el10_0 | ALSA-2025:14510 |
| AlmaLinux 9 | rv +75 | 5.14.0-570.37.1.el9_6 | ALSA-2025:14420 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | kernel | 6.12.0-55.29.1.el10_0 | RLSA-2025:14510 |
| Rocky Linux 9 | kernel | 5.14.0-570.37.1.el9_6 | RLSA-2025:14420 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | kernel-64kb +5 | 6.4.0-150700.53.11.1 | SUSE-SU-2025:02997-1 |
| SLES 15 SP7 | kernel-azure +2 | 6.4.0-150700.20.11.1 | SUSE-SU-2025:03011-1 |
| SLES 15 SP7 | kernel-default-base | 6.4.0-150700.53.11.1.150700.17.9.4 | SUSE-SU-2025:02997-1 |
| SLES 15 SP7 | kernel-docs | 6.4.0-150700.53.11.3 | SUSE-SU-2025:02997-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | kernel-64kb +7 | 6.12.0-160000.6.1 | SUSE-SU-2025:21139-1 |
| SLES for SAP 16.0 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21139-1 |
| SLES 16.0 | kernel-64kb +7 | 6.12.0-160000.6.1 | SUSE-SU-2025:21179-1, SUSE-SU-2025:21139-1 |
| SLES 16.0 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21139-1 |
| SLE Micro 6.2 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21074-1 |
| SLE Micro 6.2 | kernel-rt +5 | 6.12.0-160000.6.1 | SUSE-SU-2026:20560-1, SUSE-SU-2025:21074-1 |
| SLE Live Patching 15 SP7 | kernel-default | 6.4.0-150700.53.11.1 | SUSE-SU-2025:02997-1 |
| SLE Live Patching 15 SP7 | kernel-livepatch-SLE15-SP7-RT_Update_3 | 1-150700.1.5.1 | SUSE-SU-2025:02853-1 |
| SLE Live Patching 15 SP7 | kernel-livepatch-SLE15-SP7_Update_3 | 1-150700.15.3.4 | SUSE-SU-2025:02997-1 |
| SUSE Real Time Module 15 SP7 | kernel-rt +2 | 6.4.0-150700.7.13.1 | SUSE-SU-2025:02853-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | openSUSE-SU-2025:20081-1 |
| openSUSE Leap 16.0 | kernel-rt +10 | 6.12.0-160000.6.1 | openSUSE-SU-2025:20081-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | rv +28 | 6.12.0-55.29.1.0.1.el10_0 | ELSA-2025-14510 |
| Oracle Linux 9 | kernel-uek +34 | 6.12.0-103.40.4.1.el10uek | ELSA-2025-20551 |
| Oracle Linux 9 | rv +28 | 5.14.0-570.37.1.0.1.el9_6 | ELSA-2025-14420 |
Advisories 24
- WID-SEC-2025-1653 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- USN-7833-2 linux-realtime-6.14 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7833-1 linux, linux-aws, linux-gcp, linux-oem-6.14, linux-oracle, linux-oracle-6.14, linux-raspi, linux-realtime vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7834-1 linux-azure, linux-azure-6.14, linux-azure-nvidia-6.14 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7833-4 linux-gcp-6.14 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7833-3 linux-aws-6.14 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- ALSA-2025:14420 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:14510 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:14510 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2025:14420 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- SUSE-SU-2026:20560-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- USN-7856-1 linux-hwe-6.14 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- openSUSE-SU-2025:20081-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21179-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21139-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21074-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02997-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:03011-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02853-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2025:14510 Important: kernel security update Rocky Linux Security Advisories · Oct 8, 2025
- RLSA-2025:14420 Important: kernel security update Rocky Linux Security Advisories · Oct 4, 2025
- ELSA-2025-20551 Important: Unbreakable Enterprise kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Sep 8, 2025
- ELSA-2025-14510 Important: kernel security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Aug 27, 2025
- ELSA-2025-14420 Important: kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 25, 2025