In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix uninitialized value in ocfs2_file_read_iter()
Syzbot has reported the following KMSAN splat:
BUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4/0xf80 __io_read+0x8d4/0x20f0 io_read+0x3e/0xf0 io_issue_sqe+0x42b/0x22c0 io_wq_submit_work+0xaf9/0xdc0 io_worker_handle_work+0xd13/0x2110 io_wq_worker+0x447/0x1410 ret_from_fork+0x6f/0x90 ret_from_fork_asm+0x1a/0x30
Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 alloc_pages_mpol_noprof+0x299/0x990 alloc_pages_noprof+0x1bf/0x1e0 allocate_slab+0x33a/0x1250 ___slab_alloc+0x12ef/0x35e0 kmem_cache_alloc_bulk_noprof+0x486/0x1330 __io_alloc_req_refill+0x84/0x560 io_submit_sqes+0x172f/0x2f30 __se_sys_io_uring_enter+0x406/0x41c0 __x64_sys_io_uring_enter+0x11f/0x1a0 x64_sys_call+0x2b54/0x3ba0 do_syscall_64+0xcd/0x1e0 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Since an instance of 'struct kiocb' may be passed from the block layer with 'private' field uninitialized, introduce 'ocfs2_iocb_init_rw_locked()' and use it from where 'ocfs2_dio_end_io()' might take care, i.e. in 'ocfs2_file_read_iter()' and 'ocfs2_file_write_iter()'.
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Jan 13, 2025 | Dec 24, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 11, 2025 | Dec 24, 2024 |
| Ubuntu | — | Upgrade linux-image-4.15.0-1136-fipsUpgrade linux-image-5.4.0-1147-azure-fipsUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-1079-gcpUpgrade linux-image-4.15.0-2098-azure-fipsUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-135-lowlatency-64kUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-azure-lts-18.04Upgrade linux-image-4.4.0-1144-awsUpgrade linux-image-5.4.0-1116-fipsUpgrade linux-image-bluefieldUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-5.4.0-1142-awsUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-1077-oracleUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-nvidiaUpgrade linux-image-5.15.0-1075-intel-iotgUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-5.4.0-1147-azureUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-4.4.0-1114-fipsUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-135-generic-lpaeUpgrade linux-image-5.15.0-1080-awsUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-5.15.0-1083-azure-fipsUpgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1074-raspiUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-aws-lts-18.04Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-oem-osp1Upgrade linux-image-5.15.0-1081-gcpUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.4.0-211-generic-lpaeUpgrade linux-image-azure-lts-22.04Upgrade linux-image-5.15.0-1080-realtimeUpgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-gkeop-5.15Upgrade linux-image-4.15.0-1164-kvmUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-aws-fipsUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1072-ibmUpgrade linux-image-oemUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1084-azureUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-gcp-64kUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-intel-iotgUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-5.4.0-1129-kvmUpgrade linux-image-oracleUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-genericUpgrade linux-image-5.4.0-1142-aws-fipsUpgrade linux-image-generic-lts-xenialUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-4.15.0-2119-aws-fipsUpgrade linux-image-oem-20.04bUpgrade linux-image-5.4.0-1101-bluefieldUpgrade linux-image-virtualUpgrade linux-image-5.15.0-136-generic-lpaeUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-oem-22.04cUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.4.0-1088-ibmUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-intelUpgrade linux-image-realtimeUpgrade linux-image-5.15.0-1074-nvidiaUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-5.4.0-1090-ibmUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-135-genericUpgrade linux-image-fipsUpgrade linux-image-4.4.0-269-genericUpgrade linux-image-5.4.0-1145-gcp-fipsUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-5.4.0-1140-oracleUpgrade linux-image-4.15.0-1181-awsUpgrade linux-image-5.15.0-135-fipsUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-aws-hweUpgrade linux-image-gcp-fipsUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-5.15.0-135-lowlatencyUpgrade linux-image-4.4.0-269-lowlatencyUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-5.15.0-1073-intel-iot-realtimeUpgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-raspiUpgrade linux-image-ibmUpgrade linux-image-5.15.0-1062-gkeopUpgrade linux-image-kvmUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-awsUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-aws-lts-20.04Upgrade linux-image-5.15.0-1086-azure-fdeUpgrade linux-image-4.15.0-2082-gcp-fipsUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-gke-5.15Upgrade linux-image-5.4.0-1145-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-oem-24.04bUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-azure-lts-20.04Upgrade linux-image-raspi2Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-4.4.0-1145-kvmUpgrade linux-image-ibm-classicUpgrade linux-image-4.15.0-1189-azureUpgrade linux-image-5.4.0-1048-iotUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-4.15.0-238-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-5.15.0-1077-gkeUpgrade linux-image-5.15.0-1079-gcp-fipsUpgrade linux-image-4.15.0-1174-gcpUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-4.4.0-1182-awsUpgrade linux-image-aws-lts-24.04Upgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-5.15.0-136-genericUpgrade linux-image-5.4.0-1060-xilinx-zynqmpUpgrade linux-image-5.4.0-211-genericUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1086-azureUpgrade linux-image-5.4.0-211-lowlatencyUpgrade linux-image-5.15.0-135-generic-64kUpgrade linux-image-azureUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-5.15.0-1077-intel-iotgUpgrade linux-image-azure-fdeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-raspi-realtimeUpgrade linux-image-oem-20.04dUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-gkeop-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-lts-18.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-gcpUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-5.15.0-136-generic-64kUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-5.15.0-1074-nvidia-lowlatencyUpgrade linux-image-4.15.0-238-genericUpgrade linux-image-4.15.0-1143-oracleUpgrade linux-image-oem-22.04bUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-azure-fipsUpgrade linux-image-5.15.0-1080-aws-fipsUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-oem-22.04aUpgrade linux-image-azure-lts-24.04 | Feb 20, 2025 | Dec 24, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Dec 24, 2024 |
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