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In the Linux kernel, the following vulnerability has been resolved:
tty: add the option to have a tty reject a new ldisc
... and use it to limit the virtual terminals to just N_TTY. They are kind of special, and in particular, the "con_write()" routine violates the "writes cannot sleep" rule that some ldiscs rely on.
This avoids the
BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659
when N_GSM has been attached to a virtual console, and gsmld_write() calls con_write() while holding a spinlock, and con_write() then tries to get the console lock.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade perfUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-modules-extra-commonUpgrade kernel-libbpf-staticUpgrade kernelUpgrade kernel-livepatch-6.1.96-102.177Upgrade python3-perfUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extraUpgrade kernel-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel-libbpf | Mar 27, 2025 | Jul 12, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 18, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-tools | Oct 9, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel | Nov 26, 2024 | Jul 12, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Dec 5, 2024 | Jul 12, 2024 |
| Suse | — | Upgrade dtb-xilinxUpgrade dtb-nvidiaUpgrade dtb-sprdUpgrade dtb-allwinnerUpgrade kernel-azureUpgrade kernel-debug-develUpgrade cluster-md-kmp-rtUpgrade dtb-marvellUpgrade kernel-source-vanillaUpgrade kernel-64kb-optionalUpgrade kernel-azure-extraUpgrade kernel-64kb-develUpgrade kernel-rt-optionalUpgrade kernel-rt-extraUpgrade dtb-socionextUpgrade kernel-debug-vdsoUpgrade reiserfs-kmp-64kbUpgrade kernel-obs-buildUpgrade dtb-appleUpgrade kernel-docs-htmlUpgrade dtb-armUpgrade dtb-amdUpgrade kernel-default-livepatch-develUpgrade kernel-64kb-extraUpgrade kernel-source-rtUpgrade dlm-kmp-defaultUpgrade dlm-kmp-azureUpgrade dtb-rockchipUpgrade gfs2-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-default-baseUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-defaultUpgrade kernel-azure-baseUpgrade dtb-renesasUpgrade kselftests-kmp-defaultUpgrade dtb-caviumUpgrade kernel-rt_debugUpgrade dlm-kmp-rtUpgrade kernel-debugUpgrade kselftests-kmp-azureUpgrade kernel-rt-develUpgrade gfs2-kmp-defaultUpgrade kernel-develUpgrade kernel-rt_debug-develUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-rtUpgrade kernel-docsUpgrade kernel-devel-rtUpgrade dtb-mediatekUpgrade kernel-default-optionalUpgrade cluster-md-kmp-64kbUpgrade dtb-hisiliconUpgrade kernel-64kb-livepatch-develUpgrade kernel-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-syms-rtUpgrade kernel-default-develUpgrade kernel-azure-develUpgrade kernel-rt_debug-vdsoUpgrade kernel-rtUpgrade kernel-default-base-rebuildUpgrade cluster-md-kmp-defaultUpgrade kernel-symsUpgrade dtb-alteraUpgrade kernel-kvmsmallUpgrade kernel-azure-livepatch-develUpgrade dtb-amazonUpgrade ocfs2-kmp-64kbUpgrade kernel-source-azureUpgrade kernel-default-vdsoUpgrade kernel-azure-vdsoUpgrade dtb-apmUpgrade cluster-md-kmp-azureUpgrade kernel-devel-azureUpgrade kernel-debug-livepatch-develUpgrade kernel-rt-livepatch-develUpgrade kernel-macrosUpgrade kernel-kvmsmall-livepatch-develUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-64kbUpgrade kernel-default-manUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-64kbUpgrade kernel-kvmsmall-develUpgrade kernel-azure-optionalUpgrade kernel-obs-qaUpgrade dtb-exynosUpgrade ocfs2-kmp-rtUpgrade dtb-lgUpgrade dtb-qcomUpgrade kernel-rt-vdsoUpgrade kernel-sourceUpgrade kernel-syms-azureUpgrade dtb-broadcomUpgrade dtb-freescaleUpgrade kernel-kvmsmall-vdsoUpgrade kernel-zfcpdumpUpgrade dtb-amlogicUpgrade kernel-rt-livepatchUpgrade kernel-default-livepatchUpgrade kernel-default-extra | Aug 8, 2024 | Jul 12, 2024 |
| Ubuntu | — | Upgrade linux-image-kvmUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-awsUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-virtualUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1012-oemUpgrade linux-image-oem-22.04cUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidiaUpgrade linux-image-oem-22.04Upgrade linux-image-ibmUpgrade linux-image-gkeUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-6.8.0-44-genericUpgrade linux-image-6.8.0-45-generic | Sep 12, 2024 | Jul 12, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Jul 12, 2024 |
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