In the Linux kernel, the following vulnerability has been resolved:
drm/radeon: fix potential buffer overflow in ni_set_mc_special_registers()
The last case label can write two buffers 'mc_reg_address[j]' and 'mc_data[j]' with 'j' offset equal to SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE since there are no checks for this value in both case labels after the last 'j++'.
Instead of changing '>' to '>=' there, add the bounds check at the start of the second 'case' (the first one already has it).
Also, remove redundant last checks for 'j' index bigger than array size. The expression is always false. Moreover, before or after the patch 'table->last' can be equal to SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE and it seems it can be a valid value.
Detected using the static analysis tool - Svace.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-4.14.291-218.527Upgrade kernelUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.10.144-127.601Upgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernel-develUpgrade bpftoolUpgrade perfUpgrade kernel-debuginfo-common-aarch64 | Jul 9, 2025 | Jun 18, 2025 |
| Debian | — | Upgrade linux | Jun 20, 2025 | Jun 20, 2025 |
| Dell Powerstore Dsa2025429 | — | Upgrade Dell PowerStoreOS to the latest version | Dec 3, 2025 | Dec 2, 2025 |
| Dell Powerstore Dsa2026039 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Jan 6, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 18, 2025 |
| Ubuntu | — | Upgrade linux-gcp-5.15Upgrade linux-hweUpgrade linux-kvmUpgrade linux-azure-4.15Upgrade linux-bluefieldUpgrade linux-raspi-5.4Upgrade linux-ibmUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-realtimeUpgrade linux-intel-iotgUpgrade linux-fipsUpgrade linux-awsUpgrade linux-gcp-5.4Upgrade linux-hwe-5.4Upgrade linux-aws-fipsUpgrade linux-gcp-fipsUpgrade linux-gcp-4.15Upgrade linux-riscv-5.15Upgrade linux-azure-5.4Upgrade linuxUpgrade linux-lowlatencyUpgrade linux-raspiUpgrade linux-aws-hweUpgrade linux-intel-iotg-5.15Upgrade linux-azure-5.15Upgrade linux-nvidiaUpgrade linux-hwe-5.15Upgrade linux-azureUpgrade linux-ibm-5.4Upgrade linux-aws-5.15Upgrade linux-gkeUpgrade linux-oracle-5.15Upgrade linux-aws-5.4Upgrade linux-azure-fipsUpgrade linux-gkeopUpgrade linux-iotUpgrade linux-oracle-5.4Upgrade linux-oracle | Jun 26, 2025 | Jun 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jun 18, 2025 |
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