An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.
CVSS Details
- CVSS 3.1 Base Score: 6.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-debug-modules-coreUpgrade kernel-64k-debug-modulesUpgrade bpftoolUpgrade kernel-debug-uki-virtUpgrade kernel-toolsUpgrade perfUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rtUpgrade kernel-64k-debug-develUpgrade kernel-rt-debug-modules-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rt-debug-coreUpgrade kernel-rt-kvmUpgrade kernel-64k-modules-extraUpgrade kernel-rt-coreUpgrade kernel-rt-modulesUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-develUpgrade python3-perfUpgrade kernel-modules-extraUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-docUpgrade kernel-develUpgrade kernel-rt-debugUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-debug-devel-matchedUpgrade kernel-64k-coreUpgrade kernel-64kUpgrade kernel-zfcpdumpUpgrade kernel-64k-debugUpgrade kernel-uki-virtUpgrade kernel-64k-devel-matchedUpgrade kernel-debug-develUpgrade kernel-coreUpgrade kernel-debug-modulesUpgrade kernel-modules-coreUpgrade kernel-debugUpgrade kernel-rt-debug-kvmUpgrade kernel-64k-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade rtlaUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-develUpgrade kernel-64k-debug-coreUpgrade kernel-64k-develUpgrade kernel-64k-modules-coreUpgrade kernel-zfcpdump-coreUpgrade kernel-debug-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-modules-coreUpgrade kernel-devel-matchedUpgrade kernel-debug-modules-extraUpgrade kernel-abi-stablelistsUpgrade kernel-cross-headersUpgrade kernel-64k-debug-modules-extraUpgrade kernel-zfcpdump-modulesUpgrade kernel-modules | May 15, 2023 | Jun 2, 2022 |
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-livepatch-5.15.59-33.133Upgrade perfUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-livepatch-4.14.294-220.533Upgrade perf-debuginfoUpgrade kernel-toolsUpgrade kernel-livepatch-5.10.135-122.509Upgrade kernel-debuginfo-common-x86_64 | Sep 30, 2022 | Jun 2, 2022 |
| Amazon_linux | — | Upgrade kernel | Oct 11, 2022 | Jun 2, 2022 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade perf-debuginfoUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade kernel-livepatch-6.1.10-15.42Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-headersUpgrade kernel-tools-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-libbpfUpgrade kernelUpgrade python3-perf-debuginfoUpgrade python3-perf | Feb 17, 2025 | May 9, 2022 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | May 15, 2023 | Jun 2, 2022 |
| Debian | — | Upgrade linux | Oct 3, 2022 | Jun 2, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-tools | Dec 22, 2022 | Jun 2, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade bpftoolUpgrade kernel-toolsUpgrade python-perfUpgrade perfUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernelUpgrade kernel-develUpgrade python3-perf | Dec 9, 2022 | Jun 2, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel | Nov 15, 2022 | Jun 2, 2022 |
| Oracle_linux | — | Upgrade kernel | Jul 22, 2024 | May 9, 2022 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | May 15, 2023 | Jun 2, 2022 |
| Suse | — | Upgrade dtb-apmUpgrade kernel-64kb-develUpgrade dtb-socionextUpgrade kernel-azure-livepatch-develUpgrade dtb-renesasUpgrade dtb-rockchipUpgrade dtb-nvidiaUpgrade kernel-zfcpdumpUpgrade kselftests-kmp-preemptUpgrade dtb-hisiliconUpgrade kernel-default-baseUpgrade kernel-ec2-baseUpgrade dtb-armUpgrade reiserfs-kmp-azureUpgrade kernel-debug-develUpgrade dtb-marvellUpgrade kernel-preempt-optionalUpgrade kernel-64kb-livepatch-develUpgrade kernel-preempt-extraUpgrade kernel-ec2Upgrade kernel-defaultUpgrade kernel-obs-qaUpgrade kernel-default-extraUpgrade kernel-preempt-livepatch-develUpgrade kernel-vanillaUpgrade gfs2-kmp-64kbUpgrade kernel-symsUpgrade dlm-kmp-azureUpgrade cluster-md-kmp-defaultUpgrade dtb-appleUpgrade kernel-xen-develUpgrade dtb-amlogicUpgrade dlm-kmp-defaultUpgrade dtb-amdUpgrade kernel-xen-baseUpgrade kernel-ec2-develUpgrade kselftests-kmp-defaultUpgrade kernel-macrosUpgrade kernel-default-manUpgrade kernel-azure-develUpgrade kernel-kvmsmallUpgrade kernel-trace-develUpgrade kernel-docsUpgrade dtb-mediatekUpgrade kernel-debug-livepatch-develUpgrade kernel-default-livepatch-develUpgrade dlm-kmp-64kbUpgrade kernel-vanilla-develUpgrade ocfs2-kmp-azureUpgrade dtb-alteraUpgrade kernel-vanilla-baseUpgrade kselftests-kmp-64kbUpgrade dtb-amazonUpgrade kernel-azure-baseUpgrade kernel-debug-baseUpgrade kernel-trace-baseUpgrade kernel-64kb-extraUpgrade dtb-allwinnerUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-kvmsmall-develUpgrade kernel-preemptUpgrade dtb-exynosUpgrade kernel-azure-extraUpgrade reiserfs-kmp-preemptUpgrade dtb-caviumUpgrade cluster-md-kmp-64kbUpgrade kernel-64kbUpgrade kernel-default-livepatchUpgrade kernel-xenUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-preemptUpgrade kernel-docs-htmlUpgrade kselftests-kmp-azureUpgrade kernel-develUpgrade kernel-default-base-rebuildUpgrade dtb-zteUpgrade kernel-azureUpgrade dtb-qcomUpgrade kernel-preempt-develUpgrade reiserfs-kmp-64kbUpgrade dtb-freescaleUpgrade kernel-default-develUpgrade kernel-debugUpgrade kernel-64kb-optionalUpgrade kernel-vanilla-livepatch-develUpgrade kernel-rtUpgrade gfs2-kmp-preemptUpgrade ocfs2-kmp-defaultUpgrade dtb-broadcomUpgrade kernel-zfcpdump-manUpgrade cluster-md-kmp-azureUpgrade dtb-xilinxUpgrade kernel-traceUpgrade kernel-sourceUpgrade dtb-lgUpgrade kernel-azure-optionalUpgrade gfs2-kmp-azureUpgrade kernel-syms-azureUpgrade dtb-sprdUpgrade ocfs2-kmp-64kbUpgrade kernel-source-vanillaUpgrade kernel-default-optionalUpgrade kernel-kvmsmall-baseUpgrade cluster-md-kmp-preemptUpgrade kernel-devel-azureUpgrade kernel-obs-buildUpgrade gfs2-kmp-defaultUpgrade dtb-alUpgrade dlm-kmp-preemptUpgrade kernel-source-azure | Oct 26, 2022 | Jun 2, 2022 |
| Ubuntu | — | Upgrade linux-image-4.4.0-1118-kvmUpgrade linux-image-4.4.0-1155-awsUpgrade linux-image-virtualUpgrade linux-image-lowlatencyUpgrade linux-image-generic-lts-xenialUpgrade linux-image-genericUpgrade linux-image-4.4.0-1117-awsUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-kvmUpgrade linux-image-4.4.0-239-lowlatencyUpgrade linux-image-4.4.0-239-genericUpgrade linux-image-awsUpgrade linux-image-virtual-lts-xenial | Apr 10, 2023 | Jun 2, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 31, 2022 |
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