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In the Linux kernel, the following vulnerability has been resolved:
media: vivid: fix compose size exceed boundary
syzkaller found a bug:
BUG: unable to handle page fault for address: ffffc9000a3b1000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 100000067 P4D 100000067 PUD 10015f067 PMD 1121ca067 PTE 0 Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 23489 Comm: vivid-000-vid-c Not tainted 6.1.0-rc1+ #512 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:memcpy_erms+0x6/0x10 [...] Call Trace: <TASK> ? tpg_fill_plane_buffer+0x856/0x15b0 vivid_fillbuff+0x8ac/0x1110 vivid_thread_vid_cap_tick+0x361/0xc90 vivid_thread_vid_cap+0x21a/0x3a0 kthread+0x143/0x180 ret_from_fork+0x1f/0x30 </TASK>
This is because we forget to check boundary after adjust compose->height int V4L2_SEL_TGT_CROP case. Add v4l2_rect_map_inside() to fix this problem for this case.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 25, 2024 | Sep 25, 2024 |
| Dell Powerstore Dsa2025117 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Mar 6, 2025 |
| Dell Powerstore Dsa2025147 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Mar 27, 2025 |
| Ubuntu | — | Upgrade linux-fipsUpgrade linux-kvmUpgrade linux-oracle-5.15Upgrade linux-gcpUpgrade linux-raspiUpgrade linux-azure-5.15Upgrade linux-azure-fipsUpgrade linux-nvidia-tegra-5.15Upgrade linux-aws-hweUpgrade linux-intel-iotgUpgrade linux-ibm-5.4Upgrade linux-oracle-5.4Upgrade linux-gkeUpgrade linux-oracleUpgrade linux-riscv-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-xilinx-zynqmpUpgrade linux-nvidiaUpgrade linux-gkeopUpgrade linux-aws-5.4Upgrade linux-lowlatency-hwe-5.15Upgrade linux-lowlatencyUpgrade linux-aws-5.15Upgrade linux-ibmUpgrade linux-azure-4.15Upgrade linux-realtimeUpgrade linuxUpgrade linux-azureUpgrade linux-raspi-5.4Upgrade linux-iotUpgrade linux-azure-fdeUpgrade linux-azure-5.4Upgrade linux-hweUpgrade linux-gkeop-5.15Upgrade linux-gcp-fipsUpgrade linux-gcp-5.15Upgrade linux-hwe-5.4Upgrade linux-gcp-5.4Upgrade linux-hwe-5.15Upgrade linux-bluefieldUpgrade linux-intel-iotg-5.15Upgrade linux-awsUpgrade linux-gcp-4.15Upgrade linux-aws-fips | Nov 19, 2024 | Sep 23, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Sep 23, 2024 |
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