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An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict of size_t versus int, causing an integer overflow and bypassing the size check. After that, because it is used as the third argument to copy_from_user(), a heap overflow may occur. NOTE: the original discoverer disputes that the overflow can actually happen.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade kernel-tools-debuginfoUpgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade python-perfUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-5.15.73-48.135Upgrade perf-debuginfoUpgrade kernel-develUpgrade kernel-toolsUpgrade kernel-livepatch-4.14.296-222.539Upgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.10.147-133.644Upgrade perfUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64 | Oct 26, 2022 | Sep 5, 2022 |
| Amazon_linux | — | Upgrade kernel | Dec 10, 2022 | Sep 5, 2022 |
| Amazon_linux_2023 | — | Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade perf-debuginfoUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-develUpgrade kernel-libbpf-staticUpgrade kernel-develUpgrade kernelUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.10-15.42Upgrade python3-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-libbpf-develUpgrade perf | Feb 17, 2025 | Jun 20, 2022 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Sep 5, 2022 |
| Debian | — | Upgrade linux | Oct 3, 2022 | Sep 5, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libs | Dec 22, 2022 | Sep 5, 2022 |
| Ubuntu | — | Upgrade linux-image-5.4.0-1091-oracleUpgrade linux-image-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.4.0-1078-raspiUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-ibmUpgrade linux-image-4.15.0-1145-gcpUpgrade linux-image-4.15.0-204-genericUpgrade linux-image-gkeUpgrade linux-image-generic-64kUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.15.0-57-genericUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gkeop-5.4Upgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-5.15.0-57-generic-lpaeUpgrade linux-image-5.15.0-1027-awsUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.4.0-136-lowlatencyUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gkeopUpgrade linux-image-4.15.0-1145-snapdragonUpgrade linux-image-5.15.0-57-generic-64kUpgrade linux-image-gkeop-5.15Upgrade linux-image-azure-lts-20.04Upgrade linux-image-aws-lts-18.04Upgrade linux-image-4.15.0-206-lowlatencyUpgrade linux-image-lowlatencyUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-oemUpgrade linux-image-raspiUpgrade linux-image-5.4.0-1083-kvmUpgrade linux-image-5.4.0-1091-gkeUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-4.15.0-1060-dell300xUpgrade linux-image-4.15.0-206-genericUpgrade linux-image-5.4.0-1093-awsUpgrade linux-image-5.15.0-1025-kvmUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-4.15.0-1162-azureUpgrade linux-image-genericUpgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-1030-azure-fdeUpgrade linux-image-bluefieldUpgrade linux-image-snapdragonUpgrade linux-image-4.15.0-204-lowlatencyUpgrade linux-image-5.15.0-1022-raspi-nolpaeUpgrade linux-image-virtualUpgrade linux-image-aws-lts-22.04Upgrade linux-image-5.4.0-1041-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-1100-azure-fdeUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-lpae-hwe-22.04Upgrade linux-image-azure-lts-18.04Upgrade linux-image-dell300xUpgrade linux-image-azureUpgrade linux-image-aws-lts-20.04Upgrade linux-image-kvmUpgrade linux-image-raspi2Upgrade linux-image-5.15.0-1026-gcpUpgrade linux-image-5.15.0-1030-azureUpgrade linux-image-5.15.0-1012-gkeopUpgrade linux-image-oem-osp1Upgrade linux-image-4.15.0-204-generic-lpaeUpgrade linux-image-5.15.0-1024-gkeUpgrade linux-image-4.15.0-1114-oracleUpgrade linux-image-4.15.0-1135-kvmUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.4.0-1061-gkeopUpgrade linux-image-5.4.0-1054-bluefieldUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-5.15.0-1022-ibmUpgrade linux-image-5.15.0-1027-gkeUpgrade linux-image-awsUpgrade linux-image-5.4.0-1100-azureUpgrade linux-image-4.15.0-1150-awsUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-1097-gcpUpgrade linux-image-4.15.0-1161-azureUpgrade linux-image-5.15.0-57-lowlatency-64kUpgrade linux-image-gcpUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-gke-5.4Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.4.0-136-genericUpgrade linux-image-5.15.0-57-lowlatencyUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-4.15.0-1127-raspi2Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-4.15.0-1146-gcpUpgrade linux-image-5.4.0-136-generic-lpaeUpgrade linux-image-5.15.0-1026-oracleUpgrade linux-image-5.15.0-1022-raspi | Jan 7, 2023 | Sep 5, 2022 |
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