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High · 7.8 CVE-2025-21738 EUVD-2025-5180GHSA-f4r5-w3wm-c5g6

ata: libata-sff: Ensure that we cannot write outside the allocated buffer

Published Feb 27, 2025 · Updated Oct 15, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.15 Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.11 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

ata: libata-sff: Ensure that we cannot write outside the allocated buffer

reveliofuzzing reported that a SCSI_IOCTL_SEND_COMMAND ioctl with out_len
set to 0xd42, SCSI command set to ATA_16 PASS-THROUGH, ATA command set to
ATA_NOP, and protocol set to ATA_PROT_PIO, can cause ata_pio_sector() to
write outside the allocated buffer, overwriting random memory.

While a ATA device is supposed to abort a ATA_NOP command, there does seem
to be a bug either in libata-sff or QEMU, where either this status is not
set, or the status is cleared before read by ata_sff_hsm_move().
Anyway, that is most likely a separate bug.

Looking at __atapi_pio_bytes(), it already has a safety check to ensure
that __atapi_pio_bytes() cannot write outside the allocated buffer.

Add a similar check to ata_pio_sector(), such that also ata_pio_sector()
cannot write outside the allocated buffer.

Affected products

VendorProductAffectedFixed
Linux Linux 2.6.22 6.1.129

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.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.12.15-1 —
Debian 13 linux 6.12.15-1 —
Debian 12 linux 6.1.129-1 —
Debian 11 linux-6.1 6.1.129-1~deb11u1 DLA-4102-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield No fix yet —
Ubuntu 24.04 LTS linux 6.8.0-64.67 USN-7651-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1032.34 USN-7651-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1034.39 USN-7737-1
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1022.23 USN-7737-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1033.35 USN-7651-4
Ubuntu 24.04 LTS linux-gcp-6.11 +1 6.11.0-1015.15~24.04.1 USN-7521-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1028.32 USN-7651-3
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1015.17 USN-7651-3
Ubuntu 24.04 LTS linux-hwe-6.11 6.11.0-26.26~24.04.1 USN-7521-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1029.29 USN-7651-2
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-64.67.1 USN-7651-2
Ubuntu 24.04 LTS linux-lowlatency-hwe-6.11 6.11.0-1014.15~24.04.1 USN-7521-3
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1031.34 USN-7651-3
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1010.10 —
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1031.34.1 USN-7651-3
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1022.22 USN-7521-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1031.31 USN-7651-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1029.30 USN-7651-3
Ubuntu 24.04 LTS linux-raspi 6.8.0-1031.35 USN-7651-6
Ubuntu 24.04 LTS linux-riscv +2 No fix yet —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1017.18 —
Ubuntu 22.04 LTS linux +49 No fix yet —
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1032.34~22.04.1 USN-7651-3
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1034.39~22.04.1 USN-7737-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1033.35~22.04.1 USN-7651-4
Ubuntu 22.04 LTS linux-hwe-6.8 +1 6.8.0-64.67~22.04.1 USN-7653-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1029.29~22.04.1 USN-7651-2
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-64.67.1~22.04.1 USN-7651-2
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1031.34~22.04.1 USN-7651-3
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1029.30~22.04.1 USN-7651-3
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 16 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2026.27 USN-7651-5
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1025.26 USN-7652-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime +1 No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1025.26~22.04.1 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-78.78+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux +21 No fix yet —
Ubuntu Pro 18.04 LTS linux +12 No fix yet —
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux +3 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 10 rv +76 6.12.0-124.8.1.el10_1 RHSA-2025:20095
RHEL 9 rv +75 5.14.0-611.5.1.el9_7 RHSA-2025:20518

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 rv +74 6.12.0-124.8.1.el10_1 ALSA-2025:20095
AlmaLinux 9 rv +73 5.14.0-611.5.1.el9_7 ALSA-2025:20518

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 kernel 6.12.0-124.8.1.el10_1 RLSA-2025:20095
Rocky Linux 9 kernel 5.14.0-611.5.1.el9_7 RLSA-2025:20518
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +3 6.4.0-150600.23.47.2 SUSE-SU-2025:1180-1
SLES 15 SP6 kernel-azure +1 6.4.0-150600.8.34.2 SUSE-SU-2025:1177-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.21.coco15sp6.1 SUSE-SU-2025:01919-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.47.2.150600.12.20.2 SUSE-SU-2025:1180-1
SLES 15 SP6 kernel-docs +2 6.4.0-150600.23.47.1 SUSE-SU-2025:1180-1
SLES 15 SP6 kernel-syms-azure 6.4.0-150600.8.34.1 SUSE-SU-2025:1177-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.141.1 SUSE-SU-2026:1003-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.141.1.150500.6.69.2 SUSE-SU-2026:1003-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.194.1 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.194.1.150400.24.98.3 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.296.1 SUSE-SU-2026:1078-1
SLES 11 SP4 kernel-ec2 +6 3.0.101-108.204.1 SUSE-SU-2026:1130-1
Show 15 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.141.1.150500.6.69.2 SUSE-SU-2026:1003-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.141.1 SUSE-SU-2026:1003-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.194.1.150400.24.98.3 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.194.1 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE Micro 6.1 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_5 16-1.1 SUSE-SU-2026:20891-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_5 17-1.2 SUSE-SU-2026:20880-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_6 +1 1-3.1 SUSE-SU-2025:20270-1, SUSE-SU-2025:20260-1
SLE Micro 6.1 kernel-rt +4 6.4.0-28.1 SUSE-SU-2025:20270-1, SUSE-SU-2025:20260-1
SLE Micro 6.0 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_5 16-1.1 SUSE-SU-2026:20847-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_5 17-1.2 SUSE-SU-2026:20857-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_6 +1 1-3.1 SUSE-SU-2025:20192-1, SUSE-SU-2025:20190-1
SLE Micro 6.0 kernel-rt +4 6.4.0-28.1 SUSE-SU-2025:20192-1, SUSE-SU-2025:20190-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.141.1.150500.6.69.2 SUSE-SU-2026:1003-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.124.1 SUSE-SU-2026:1077-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.141.1 SUSE-SU-2026:1003-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.194.1 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.194.1.150400.24.98.3 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.145.1 SUSE-SU-2026:1131-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.194.1 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.194.1.150400.24.98.3 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.145.1 SUSE-SU-2026:1131-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.238.1 SUSE-SU-2026:0928-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.238.1.150300.18.142.1 SUSE-SU-2026:0928-1
SLE Micro 5.2 kernel-rt +1 5.3.18-150300.238.1 SUSE-SU-2026:0961-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.47.2 SUSE-SU-2025:1180-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_10 1-150600.1.5.1 SUSE-SU-2025:1178-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_10 1-150600.13.5.1 SUSE-SU-2025:1180-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.141.1 SUSE-SU-2026:1003-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_24 16-150500.2.2 SUSE-SU-2026:1000-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_25 15-150500.2.2 SUSE-SU-2026:1049-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_27 14-150500.2.1 SUSE-SU-2026:1002-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_29 11-150500.2.1 SUSE-SU-2026:1039-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_31 6-150500.2.1 SUSE-SU-2026:1048-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_34 3-150500.2.1 SUSE-SU-2026:1059-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_35 2-150500.2.1 SUSE-SU-2026:1060-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_36 1-150500.11.5.1 SUSE-SU-2026:1003-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.194.1 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_36 +1 16-150400.2.2 SUSE-SU-2026:1046-1, SUSE-SU-2026:0983-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_44 9-150400.2.1 SUSE-SU-2026:0992-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_45 7-150400.2.1 SUSE-SU-2026:0997-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_47 3-150400.2.1 SUSE-SU-2026:1048-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_48 1-150400.9.7.1 SUSE-SU-2026:0617-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_49 1-150400.9.3.1 SUSE-SU-2026:0984-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.296.1 SUSE-SU-2026:1078-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_65 15-2.1 SUSE-SU-2026:0953-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_67 14-2.1 SUSE-SU-2026:1088-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_68 12-2.1 SUSE-SU-2026:0954-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_70 11-2.1 SUSE-SU-2026:1044-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_72 7-2.1 SUSE-SU-2026:0958-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_73 5-2.1 SUSE-SU-2026:0970-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_75 +1 3-2.1 SUSE-SU-2026:0967-1, SUSE-SU-2026:0964-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_77 2-2.1 SUSE-SU-2026:1045-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_78 1-8.3.1 SUSE-SU-2026:1078-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.141.1 SUSE-SU-2026:1003-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.141.1.150500.6.69.2 SUSE-SU-2026:1003-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.194.1 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.194.1.150400.24.98.3 SUSE-SU-2026:0984-1, SUSE-SU-2026:0617-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.34.1 SUSE-SU-2025:1178-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +4 6.4.0-150600.23.47.1 SUSE-SU-2025:1180-1
openSUSE Leap 15.6 kernel-64kb +5 6.4.0-150600.23.47.2 SUSE-SU-2025:1180-1
openSUSE Leap 15.6 kernel-azure +1 6.4.0-150600.8.34.2 SUSE-SU-2025:1177-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.47.2.150600.12.20.2 SUSE-SU-2025:1180-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.34.1 SUSE-SU-2025:1178-1
openSUSE Leap 15.6 kernel-syms-azure 6.4.0-150600.8.34.1 SUSE-SU-2025:1177-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.129-138.220 1.0-0.amzn2023 ALAS2023-2025-876
Amazon Linux 2023 perf +14 6.1.129-138.220.amzn2023 ALAS2023-2025-876

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel No fix yet —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-101.33.4.3.el10uek ELSA-2025-20530, ELSA-2025-20480

Advisories 50

References