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 dlm-kmp-64kbUpgrade dtb-alteraUpgrade dtb-marvellUpgrade kernel-rt_debug-vdsoUpgrade kernel-azureUpgrade kernel-rt-optionalUpgrade kernel-source-azureUpgrade kernel-default-develUpgrade kernel-default-livepatchUpgrade kernel-obs-buildUpgrade kernel-azure-extraUpgrade kernel-rt-livepatch-develUpgrade kernel-rt_debug-develUpgrade kernel-rt-extraUpgrade kernel-64kb-extraUpgrade kernel-azure-vdsoUpgrade kernel-debug-develUpgrade kselftests-kmp-azureUpgrade kernel-rt_debugUpgrade reiserfs-kmp-rtUpgrade dtb-broadcomUpgrade kernel-docs-htmlUpgrade dtb-exynosUpgrade dtb-lgUpgrade gfs2-kmp-azureUpgrade cluster-md-kmp-azureUpgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-64kbUpgrade kernel-64kb-optionalUpgrade kernel-default-baseUpgrade kernel-kvmsmall-vdsoUpgrade dtb-freescaleUpgrade kernel-azure-optionalUpgrade dtb-caviumUpgrade kernel-sourceUpgrade dtb-socionextUpgrade dtb-appleUpgrade kselftests-kmp-64kbUpgrade kernel-azure-develUpgrade dtb-sprdUpgrade dtb-amdUpgrade reiserfs-kmp-64kbUpgrade cluster-md-kmp-64kbUpgrade dlm-kmp-defaultUpgrade kernel-source-vanillaUpgrade kernel-rt-vdsoUpgrade kernel-default-livepatch-develUpgrade dtb-amazonUpgrade dlm-kmp-rtUpgrade kernel-syms-rtUpgrade kernel-source-rtUpgrade kernel-debug-vdsoUpgrade kernel-64kbUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-default-optionalUpgrade dtb-hisiliconUpgrade kernel-debugUpgrade gfs2-kmp-64kbUpgrade dtb-mediatekUpgrade kernel-devel-azureUpgrade kernel-zfcpdumpUpgrade kernel-kvmsmall-develUpgrade dtb-allwinnerUpgrade dtb-renesasUpgrade kernel-syms-azureUpgrade dtb-rockchipUpgrade cluster-md-kmp-rtUpgrade ocfs2-kmp-rtUpgrade kernel-obs-qaUpgrade kernel-devel-rtUpgrade dtb-qcomUpgrade dtb-amlogicUpgrade ocfs2-kmp-azureUpgrade kernel-rt-livepatchUpgrade dtb-apmUpgrade reiserfs-kmp-defaultUpgrade kernel-macrosUpgrade ocfs2-kmp-defaultUpgrade kernel-symsUpgrade dtb-armUpgrade kernel-rt-develUpgrade kernel-develUpgrade kernel-default-vdsoUpgrade cluster-md-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-azureUpgrade gfs2-kmp-rtUpgrade kselftests-kmp-rtUpgrade dtb-nvidiaUpgrade dtb-xilinxUpgrade kselftests-kmp-defaultUpgrade kernel-kvmsmallUpgrade kernel-64kb-develUpgrade kernel-default-extraUpgrade kernel-default-base-rebuildUpgrade kernel-rt | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-nvidiaUpgrade linux-image-aws-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-5.15.0-156-fipsUpgrade linux-image-6.14.0-1014-realtimeUpgrade linux-image-intelUpgrade linux-image-aws-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-5.15.0-1075-gkeopUpgrade linux-image-gkeUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1088-kvmUpgrade linux-image-5.15.0-1092-gcpUpgrade linux-image-nvidia-5.15Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-aws-64k-6.14Upgrade linux-image-oem-24.04aUpgrade linux-image-aws-64k-6.8Upgrade linux-image-oem-24.04bUpgrade linux-image-oem-6.14Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1085-intel-iot-realtimeUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1092-awsUpgrade linux-image-fips-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-5.15.0-1096-azure-fipsUpgrade linux-image-5.15.0-1092-aws-64kUpgrade linux-image-5.15.0-1087-intel-iotgUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.14.0-1018-gcpUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-gkeopUpgrade linux-image-oem-24.04Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-ibmUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-6.14.0-1015-aws-64kUpgrade linux-image-genericUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-5.15.0-1034-nvidia-tegra-igxUpgrade linux-image-kvm-5.15Upgrade linux-image-6.14.0-1007-azure-nvidiaUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-aws-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-ibm-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-5.15.0-1034-nvidia-tegra-igx-rtUpgrade linux-image-oem-22.04cUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-virtual-6.14Upgrade linux-image-ibm-classicUpgrade linux-image-lowlatencyUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-5.15.0-1086-raspiUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-nvidia-tegraUpgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-156-genericUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-fips-5.15Upgrade linux-image-5.15.0-156-lowlatencyUpgrade linux-image-5.15.0-1056-xilinx-zynqmpUpgrade linux-image-realtimeUpgrade linux-image-xilinxUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-aws-fips-6.8Upgrade linux-image-kvmUpgrade linux-image-gcp-6.14Upgrade linux-image-5.15.0-156-generic-lpaeUpgrade linux-image-generic-6.8Upgrade linux-image-oem-24.04cUpgrade linux-image-gkeop-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-realtime-5.15Upgrade linux-image-raspi-5.15Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-1086-ibmUpgrade linux-image-azure-lts-22.04Upgrade linux-image-azure-nvidia-6.14Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-5.15.0-1092-aws-fipsUpgrade linux-image-gcpUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-oracleUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-6.14.0-1015-awsUpgrade linux-image-aws-lts-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-5.15.0-1096-azureUpgrade linux-image-oracle-6.14Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-realtime-6.8.1Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-virtual-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.14.0-34-genericUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-azure-fipsUpgrade linux-image-lowlatency-5.15Upgrade linux-image-aws-6.14Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-6.14Upgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-ibm-5.15Upgrade linux-image-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-5.15.0-156-lowlatency-64kUpgrade linux-image-5.15.0-1092-realtimeUpgrade linux-image-raspiUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-generic-64k-6.14Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-6.14.0-1018-gcp-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-aws-64k-5.15Upgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-1092-gcp-fipsUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-virtual-5.15Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.14.0-1015-oracle-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1087-nvidiaUpgrade linux-image-5.15.0-1089-gkeUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-generic-lpaeUpgrade linux-image-gcp-5.15Upgrade linux-image-awsUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-azure-5.15Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-6.14.0-34-generic-64kUpgrade linux-image-realtime-6.14Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-fipsUpgrade linux-image-5.15.0-1045-nvidia-tegra-rtUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-5.15.0-1045-nvidia-tegraUpgrade linux-image-raspi-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-raspi-nolpaeUpgrade linux-image-raspi-6.14Upgrade linux-image-oracle-5.15Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-6.14.0-1014-azureUpgrade linux-image-5.15.0-156-generic-64kUpgrade linux-image-5.15.0-1090-oracleUpgrade linux-image-generic-64k-5.15Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-gkeop-5.15Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.14.0-1015-oracleUpgrade linux-image-5.15.0-1087-nvidia-lowlatencyUpgrade linux-image-azure-fips-5.15Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-gke-64kUpgrade linux-image-aws-fips-5.15Upgrade linux-image-azure-cvmUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-6.14.0-1014-oemUpgrade linux-image-gke-64k-6.8Upgrade linux-image-6.14.0-1016-raspiUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-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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