In the Linux kernel, the following vulnerability has been resolved:
fbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod()
In fb_find_mode_cvt(), iff mode->refresh somehow happens to be 0x80000000, cvt.f_refresh will become 0 when multiplying it by 2 due to overflow. It's then passed to fb_cvt_hperiod(), where it's used as a divider -- division by 0 will result in kernel oops. Add a sanity check for cvt.f_refresh to avoid such overflow...
Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade bpftool-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perfUpgrade bpftoolUpgrade kernel-livepatch-5.15.186-128.192Upgrade kernel-tools-develUpgrade kernel-livepatch-5.10.239-236.958Upgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-tools | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade bpftoolUpgrade python3-perf6.12-debuginfoUpgrade kernel-libbpf-staticUpgrade python3-perfUpgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perf6.12-debuginfoUpgrade kernel-tools-develUpgrade kernel-modules-extraUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade kernel-livepatch-6.12.35-55.103Upgrade python3-perf6.12Upgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernel6.12Upgrade perf-debuginfoUpgrade kernel-modules-extra-commonUpgrade kernel-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpfUpgrade kernelUpgrade kernel6.12-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-headersUpgrade kernel6.12-modules-extraUpgrade perf6.12Upgrade kernel-livepatch-6.1.144-170.251Upgrade kernel6.12-debuginfo | Aug 5, 2025 | Jul 10, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 11, 2025 | Jul 11, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-tools-libsUpgrade python3-perf | Sep 15, 2025 | Sep 9, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernelUpgrade kernel-tools | Dec 12, 2025 | Sep 9, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade python3-perf | Nov 12, 2025 | Sep 9, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Nov 21, 2025 | Sep 9, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | Sep 10, 2025 | Jul 10, 2025 |
| Redhat_linux | — | No solution exists | Jul 14, 2025 | Jul 10, 2025 |
| Suse | — | Upgrade ocfs2-kmp-defaultUpgrade kernel-64kb-extraUpgrade kernel-rtUpgrade kernel-default-vdsoUpgrade cluster-md-kmp-64kbUpgrade dtb-exynosUpgrade kernel-azure-develUpgrade kselftests-kmp-rtUpgrade cluster-md-kmp-defaultUpgrade kernel-obs-qaUpgrade dtb-apmUpgrade dtb-rockchipUpgrade kernel-docsUpgrade kernel-rt-develUpgrade dlm-kmp-rtUpgrade kernel-64kb-develUpgrade dtb-allwinnerUpgrade kernel-default-optionalUpgrade cluster-md-kmp-rtUpgrade dlm-kmp-azureUpgrade kernel-macrosUpgrade kselftests-kmp-defaultUpgrade kernel-devel-rtUpgrade dtb-armUpgrade dtb-xilinxUpgrade kernel-rt-extraUpgrade reiserfs-kmp-azureUpgrade ocfs2-kmp-azureUpgrade kernel-develUpgrade kernel-devel-azureUpgrade kernel-symsUpgrade dtb-nvidiaUpgrade kernel-syms-azureUpgrade ocfs2-kmp-rtUpgrade dtb-mediatekUpgrade dtb-qcomUpgrade dtb-sprdUpgrade kernel-default-extraUpgrade kernel-rt-livepatchUpgrade kernel-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-azure-vdsoUpgrade kernel-rt_debug-develUpgrade ocfs2-kmp-64kbUpgrade dlm-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kernel-kvmsmall-vdsoUpgrade kernel-kvmsmallUpgrade gfs2-kmp-rtUpgrade kernel-obs-buildUpgrade kernel-64kbUpgrade dtb-caviumUpgrade gfs2-kmp-azureUpgrade dtb-socionextUpgrade kernel-rt_debugUpgrade kernel-rt-livepatch-develUpgrade kernel-azure-extraUpgrade kernel-64kb-optionalUpgrade dtb-hisiliconUpgrade kselftests-kmp-64kbUpgrade kselftests-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade kernel-default-livepatchUpgrade kernel-source-azureUpgrade dtb-freescaleUpgrade kernel-azureUpgrade gfs2-kmp-defaultUpgrade gfs2-kmp-64kbUpgrade dtb-renesasUpgrade dtb-marvellUpgrade dtb-lgUpgrade dtb-amdUpgrade dlm-kmp-64kbUpgrade kernel-syms-rtUpgrade kernel-default-livepatch-develUpgrade kernel-debug-vdsoUpgrade kernel-debug-develUpgrade kernel-debugUpgrade dtb-broadcomUpgrade reiserfs-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-docs-htmlUpgrade kernel-default-develUpgrade cluster-md-kmp-azureUpgrade kernel-zfcpdumpUpgrade kernel-source-rtUpgrade kernel-default-manUpgrade dtb-amlogicUpgrade dtb-amazonUpgrade dtb-appleUpgrade reiserfs-kmp-defaultUpgrade kernel-source-vanillaUpgrade kernel-azure-optionalUpgrade kernel-rt-optionalUpgrade kernel-kvmsmall-develUpgrade dtb-alteraUpgrade kernel-sourceUpgrade kernel-default-base | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-raspi-6.14Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-nvidia-tegraUpgrade linux-image-azure-5.15Upgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-gcp-fipsUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.15.0-1092-aws-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-fipsUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-lowlatency-5.15Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-oracle-6.14Upgrade linux-image-aws-fipsUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-6.8Upgrade linux-image-nvidiaUpgrade linux-image-azure-lts-22.04Upgrade linux-image-generic-6.14Upgrade linux-image-gcp-6.14Upgrade linux-image-gkeUpgrade linux-image-ibm-5.15Upgrade linux-image-raspi-5.15Upgrade linux-image-realtime-6.14Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-5.15.0-1087-intel-iotgUpgrade linux-image-realtimeUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-generic-64k-5.15Upgrade linux-image-gke-64kUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-azure-6.14Upgrade linux-image-oracle-5.15Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-raspiUpgrade linux-image-gcp-5.15Upgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-aws-5.15Upgrade linux-image-generic-lpaeUpgrade linux-image-gkeopUpgrade linux-image-kvm-5.15Upgrade linux-image-aws-6.14Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-aws-64k-5.15Upgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-1089-gkeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-raspi-6.8Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-156-generic-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-5.15.0-1045-nvidia-tegraUpgrade linux-image-aws-fips-5.15Upgrade linux-image-5.15.0-1045-nvidia-tegra-rtUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-azureUpgrade linux-image-5.15.0-1096-azureUpgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-5.15.0-1034-nvidia-tegra-igx-rtUpgrade linux-image-genericUpgrade linux-image-lowlatency-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-5.15.0-1092-gcp-fipsUpgrade linux-image-5.15.0-1087-nvidiaUpgrade linux-image-5.15.0-1090-oracleUpgrade linux-image-6.14.0-1012-azureUpgrade linux-image-azure-fips-5.15Upgrade linux-image-6.14.0-1013-awsUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-5.15.0-1088-kvmUpgrade linux-image-xilinxUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1034-nvidia-tegra-igxUpgrade linux-image-5.15.0-1056-xilinx-zynqmpUpgrade linux-image-ibm-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-raspi-realtimeUpgrade linux-image-5.15.0-156-generic-lpaeUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-5.15.0-1087-nvidia-lowlatencyUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-5.15.0-156-lowlatency-64kUpgrade linux-image-5.15.0-156-lowlatencyUpgrade linux-image-nvidia-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-ibm-classicUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-virtualUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-6.14.0-1012-oemUpgrade linux-image-azure-fips-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-gke-6.8Upgrade linux-image-virtual-6.14Upgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-lowlatencyUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-generic-64k-6.14Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-aws-64kUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-5.15.0-1096-azure-fipsUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oem-24.04bUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-6.14.0-32-genericUpgrade linux-image-5.15.0-1092-aws-fipsUpgrade linux-image-oem-24.04cUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-oem-6.14Upgrade linux-image-gcp-6.8Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-aws-64k-6.14Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-awsUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-5.15.0-1086-ibmUpgrade linux-image-5.15.0-1085-intel-iot-realtimeUpgrade linux-image-realtime-5.15Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oracle-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-intelUpgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-cvmUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-24.04aUpgrade linux-image-ibmUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-5.15.0-1092-realtimeUpgrade linux-image-5.15.0-1092-awsUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-5.15.0-1086-raspiUpgrade linux-image-oracleUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-5.15.0-156-fipsUpgrade linux-image-5.15.0-1092-gcpUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-5.15.0-156-genericUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-5.15.0-1075-gkeopUpgrade linux-image-generic-6.8Upgrade linux-image-fips-5.15Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-tegra-igx | Jul 14, 2025 | Jul 10, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 3, 2025 | Jul 10, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub