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