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.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade python3-perfUpgrade perfUpgrade kernel-modules-extra-commonUpgrade kernel-develUpgrade kernel-libbpf-staticUpgrade kernel-libbpf-develUpgrade kernel-livepatch-6.1.96-102.177Upgrade kernelUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perf-debuginfoUpgrade perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-modules-extraUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-tools | Mar 27, 2025 | Jul 12, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 18, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-tools | Oct 9, 2024 | Jul 12, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-abi-stablelists | Nov 26, 2024 | Jul 12, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Dec 5, 2024 | Jul 12, 2024 |
| Suse | — | Upgrade kernel-default-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-macrosUpgrade dtb-lgUpgrade kernel-default-base-rebuildUpgrade kernel-kvmsmall-develUpgrade kernel-source-azureUpgrade kernel-symsUpgrade ocfs2-kmp-rtUpgrade kernel-sourceUpgrade kernel-kvmsmallUpgrade kernel-azure-optionalUpgrade dtb-freescaleUpgrade cluster-md-kmp-defaultUpgrade kernel-azure-livepatch-develUpgrade dlm-kmp-64kbUpgrade gfs2-kmp-rtUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatchUpgrade dtb-alteraUpgrade kernel-obs-qaUpgrade kernel-default-manUpgrade kernel-debug-livepatch-develUpgrade kernel-rt_debug-vdsoUpgrade dtb-broadcomUpgrade cluster-md-kmp-azureUpgrade dtb-apmUpgrade kernel-devel-azureUpgrade gfs2-kmp-64kbUpgrade kernel-zfcpdumpUpgrade dtb-qcomUpgrade kernel-azure-vdsoUpgrade dtb-exynosUpgrade dtb-amlogicUpgrade kernel-kvmsmall-vdsoUpgrade kernel-syms-azureUpgrade kernel-default-livepatchUpgrade kselftests-kmp-64kbUpgrade kernel-default-extraUpgrade kernel-64kbUpgrade kernel-syms-rtUpgrade kernel-64kb-livepatch-develUpgrade ocfs2-kmp-64kbUpgrade kernel-rtUpgrade kernel-kvmsmall-livepatch-develUpgrade reiserfs-kmp-azureUpgrade kernel-default-develUpgrade kernel-azure-develUpgrade dtb-amazonUpgrade cluster-md-kmp-rtUpgrade kernel-source-vanillaUpgrade kernel-rt-extraUpgrade dtb-mediatekUpgrade kernel-rt-optionalUpgrade kernel-64kb-develUpgrade dtb-sprdUpgrade kernel-debug-develUpgrade dtb-nvidiaUpgrade kernel-64kb-optionalUpgrade dtb-xilinxUpgrade kselftests-kmp-azureUpgrade kernel-rt_debug-develUpgrade kernel-develUpgrade dtb-armUpgrade kernel-debugUpgrade dlm-kmp-rtUpgrade kernel-rt-develUpgrade kselftests-kmp-rtUpgrade kernel-docs-htmlUpgrade kernel-default-optionalUpgrade kernel-docsUpgrade dtb-socionextUpgrade kernel-default-livepatch-develUpgrade kernel-debug-vdsoUpgrade dtb-appleUpgrade dtb-amdUpgrade reiserfs-kmp-64kbUpgrade kernel-rt_debugUpgrade kernel-obs-buildUpgrade kernel-rt_debug-livepatch-develUpgrade gfs2-kmp-azureUpgrade kernel-default-baseUpgrade kernel-azure-baseUpgrade kernel-64kb-extraUpgrade dtb-rockchipUpgrade dtb-caviumUpgrade dlm-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade kernel-source-rtUpgrade kernel-devel-rtUpgrade kernel-defaultUpgrade dtb-renesasUpgrade dlm-kmp-azureUpgrade reiserfs-kmp-rtUpgrade kernel-azureUpgrade ocfs2-kmp-azureUpgrade gfs2-kmp-defaultUpgrade dtb-marvellUpgrade kernel-azure-extraUpgrade dtb-hisiliconUpgrade dtb-allwinnerUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-default | Aug 8, 2024 | Jul 12, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1014-azureUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-kvmUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-ibm-classicUpgrade linux-image-generic-lpaeUpgrade linux-image-awsUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-virtualUpgrade linux-image-oem-22.04cUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibmUpgrade linux-image-gkeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-lowlatencyUpgrade linux-image-azureUpgrade linux-image-generic-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-nvidiaUpgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-oracle-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-genericUpgrade linux-image-gcpUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-6.8.0-1012-oemUpgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-raspiUpgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-6.8.0-44-genericUpgrade linux-image-oem-22.04 | 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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