In the Linux kernel, the following vulnerability has been resolved:
NFC: nci: uart: Set tty->disc_data only in success path
Setting tty->disc_data before opening the NCI device means we need to clean it up on error paths. This also opens some short window if device starts sending data, even before NCIUARTSETDRIVER IOCTL succeeded (broken hardware?). Close the window by exposing tty->disc_data only on the success path, when opening of the NCI device and try_module_get() succeeds.
The code differs in error path in one aspect: tty->disc_data won't be ever assigned thus NULL-ified. This however should not be relevant difference, because of "tty->disc_data=NULL" in nci_uart_tty_open().
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 |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 28, 2025 | Jul 28, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | Sep 10, 2025 | Jul 25, 2025 |
| Suse | — | Upgrade kernel-docsUpgrade kernel-rtUpgrade gfs2-kmp-64kbUpgrade kernel-default-base-rebuildUpgrade kernel-default-extraUpgrade kernel-rt-livepatchUpgrade kernel-kvmsmall-develUpgrade kernel-zfcpdumpUpgrade dtb-allwinnerUpgrade kernel-debugUpgrade ocfs2-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade kernel-obs-qaUpgrade cluster-md-kmp-defaultUpgrade dtb-apmUpgrade dtb-qcomUpgrade dtb-armUpgrade kernel-defaultUpgrade kernel-default-vdsoUpgrade kernel-develUpgrade kernel-syms-azureUpgrade kselftests-kmp-defaultUpgrade kernel-rt-develUpgrade dtb-amlogicUpgrade kernel-devel-rtUpgrade kernel-64kb-develUpgrade kernel-kvmsmallUpgrade kernel-default-optionalUpgrade dtb-mediatekUpgrade cluster-md-kmp-rtUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-symsUpgrade reiserfs-kmp-azureUpgrade dtb-nvidiaUpgrade gfs2-kmp-rtUpgrade dlm-kmp-azureUpgrade dtb-xilinxUpgrade dtb-hisiliconUpgrade dtb-renesasUpgrade ocfs2-kmp-azureUpgrade dtb-rockchipUpgrade kernel-devel-azureUpgrade kernel-macrosUpgrade kernel-obs-buildUpgrade kernel-default-livepatchUpgrade dtb-caviumUpgrade dtb-freescaleUpgrade kernel-sourceUpgrade kernel-azure-optionalUpgrade dtb-appleUpgrade kernel-default-livepatch-develUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-azureUpgrade kernel-azure-extraUpgrade dtb-marvellUpgrade dtb-alteraUpgrade kernel-rt_debugUpgrade kernel-rt-optionalUpgrade kernel-default-develUpgrade kernel-source-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-64kb-extraUpgrade kernel-azureUpgrade kernel-source-vanillaUpgrade kernel-source-rtUpgrade dtb-amdUpgrade kernel-azure-develUpgrade kernel-docs-htmlUpgrade reiserfs-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-rt-vdsoUpgrade dtb-exynosUpgrade reiserfs-kmp-rtUpgrade kernel-rt_debug-develUpgrade kernel-rt-livepatch-develUpgrade kernel-rt-extraUpgrade kernel-debug-develUpgrade dtb-lgUpgrade dtb-broadcomUpgrade gfs2-kmp-azureUpgrade kernel-azure-vdsoUpgrade cluster-md-kmp-64kbUpgrade kernel-64kbUpgrade dlm-kmp-rtUpgrade kernel-syms-rtUpgrade kernel-debug-vdsoUpgrade dlm-kmp-defaultUpgrade dtb-amazonUpgrade ocfs2-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade kernel-default-baseUpgrade kernel-64kb-optionalUpgrade dtb-sprdUpgrade dtb-socionextUpgrade gfs2-kmp-defaultUpgrade dlm-kmp-64kb | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-6.14.0-1018-gcp-64kUpgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-azureUpgrade linux-image-raspiUpgrade linux-image-realtime-6.8.1Upgrade linux-image-6.14.0-34-genericUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-6.14Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-generic-5.15Upgrade linux-image-awsUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-oracle-6.14Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-5.15.0-1087-nvidiaUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-aws-64k-5.15Upgrade linux-image-generic-6.14Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1045-nvidia-tegra-rtUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-5.15.0-1090-oracleUpgrade linux-image-6.14.0-1014-azureUpgrade linux-image-oracle-5.15Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-raspi-6.14Upgrade linux-image-5.15.0-156-generic-64kUpgrade linux-image-generic-64k-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-6.14.0-1015-oracle-64kUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-azure-5.15Upgrade linux-image-gke-64k-6.8Upgrade linux-image-azure-nvidiaUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-realtime-6.14Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-6.14.0-34-generic-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-aws-6.14Upgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-generic-64k-5.15Upgrade linux-image-lowlatency-5.15Upgrade linux-image-fipsUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-aws-6.8Upgrade linux-image-5.15.0-1092-gcp-fipsUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-virtual-5.15Upgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-5.15.0-1096-azureUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-azure-cvmUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.14.0-1016-raspiUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-5.15.0-1087-nvidia-lowlatencyUpgrade linux-image-ibm-5.15Upgrade linux-image-raspi-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-5.15.0-1045-nvidia-tegraUpgrade linux-image-6.14.0-1014-oemUpgrade linux-image-5.15.0-156-lowlatency-64kUpgrade linux-image-6.14.0-1015-oracleUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-gke-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-gcp-5.15Upgrade linux-image-5.15.0-1089-gkeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-azure-fips-5.15Upgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-1092-realtimeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azure-6.14Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-gkeop-5.15Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-raspi-nolpaeUpgrade linux-image-oem-22.04cUpgrade linux-image-gcpUpgrade linux-image-azure-nvidia-6.14Upgrade linux-image-oem-24.04cUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.14.0-1015-awsUpgrade linux-image-5.15.0-1092-aws-fipsUpgrade linux-image-raspi-5.15Upgrade linux-image-aws-64k-6.14Upgrade linux-image-5.15.0-1088-kvmUpgrade linux-image-5.15.0-1075-gkeopUpgrade linux-image-virtualUpgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-gkeUpgrade linux-image-5.15.0-156-fipsUpgrade linux-image-nvidiaUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-intelUpgrade linux-image-aws-5.15Upgrade linux-image-6.14.0-1014-realtimeUpgrade linux-image-raspi-realtimeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-5.15.0-1087-intel-iotgUpgrade linux-image-gkeop-6.8Upgrade linux-image-5.15.0-1086-ibmUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-generic-64kUpgrade linux-image-ibm-classicUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibm-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-gcp-6.8Upgrade linux-image-5.15.0-156-lowlatencyUpgrade linux-image-virtual-6.14Upgrade linux-image-5.15.0-1086-raspiUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-fips-5.15Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-5.15.0-156-genericUpgrade linux-image-xilinxUpgrade linux-image-realtimeUpgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-tegraUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-oem-22.04aUpgrade linux-image-5.15.0-1096-azure-fipsUpgrade linux-image-5.15.0-1034-nvidia-tegra-igxUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-gcp-6.14Upgrade linux-image-5.15.0-156-generic-lpaeUpgrade linux-image-5.15.0-1085-intel-iot-realtimeUpgrade linux-image-gke-5.15Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-5.15.0-1092-awsUpgrade linux-image-gke-6.8Upgrade linux-image-oem-6.14Upgrade linux-image-6.14.0-1018-gcpUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-kvmUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1092-aws-64kUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.14.0-1015-aws-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-6.8Upgrade linux-image-genericUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-gkeopUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1056-xilinx-zynqmpUpgrade linux-image-5.15.0-1034-nvidia-tegra-igx-rtUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oracleUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-nvidia-5.15Upgrade linux-image-6.14.0-1007-azure-nvidiaUpgrade linux-image-5.15.0-1092-gcpUpgrade linux-image-kvm-5.15Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-aws-lts-22.04Upgrade linux-image-realtime-5.15 | Jul 31, 2025 | Jul 25, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 10, 2025 | Jul 25, 2025 |
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