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-develUpgrade bpftoolUpgrade kernel-rt-develUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-uki-virtUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-debug-modules-coreUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-debug-modules-coreUpgrade kernel-64k-debug-modules-coreUpgrade python3-perfUpgrade kernel-docUpgrade kernel-rt-debug-coreUpgrade kernel-rt-modulesUpgrade kernel-rt-debugUpgrade perfUpgrade kernel-rt-coreUpgrade kernel-tools-libsUpgrade kernel-64k-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-modules-extraUpgrade kernel-modules-extraUpgrade kernel-64k-debug-develUpgrade kernel-toolsUpgrade kernel-rt-kvmUpgrade kernel-rtUpgrade kernel-64k-debugUpgrade kernel-64k-modules-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-abi-stablelistsUpgrade kernel-64kUpgrade kernel-cross-headersUpgrade kernelUpgrade kernel-modules-coreUpgrade kernel-64k-coreUpgrade kernel-rt-debug-develUpgrade kernel-devel-matchedUpgrade kernel-64k-debug-modules-extraUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-64k-devel-matchedUpgrade kernel-debug-develUpgrade kernel-tools-libs-develUpgrade kernel-debug-modules-extraUpgrade kernel-uki-virtUpgrade rtlaUpgrade kernel-rt-modules-coreUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-kvmUpgrade kernel-debug-devel-matchedUpgrade kernel-64k-develUpgrade kernel-debug-modulesUpgrade kernel-64k-debug-coreUpgrade kernel-debug-coreUpgrade kernel-debugUpgrade kernel-64k-modulesUpgrade kernel-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-modulesUpgrade kernel-zfcpdump | May 15, 2023 | Jun 2, 2022 |
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernel-livepatch-5.15.59-33.133Upgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-livepatch-5.10.135-122.509Upgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-4.14.294-220.533Upgrade bpftool-debuginfoUpgrade python-perfUpgrade perf-debuginfoUpgrade kernel-tools | Sep 30, 2022 | Jun 2, 2022 |
| Amazon_linux | — | Upgrade kernel | Oct 11, 2022 | Jun 2, 2022 |
| Amazon_linux_2023 | — | Upgrade perf-debuginfoUpgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade perfUpgrade kernel-tools-develUpgrade kernel-livepatch-6.1.10-15.42Upgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-headersUpgrade python3-perf-debuginfoUpgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-develUpgrade kernel-tools-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-libbpfUpgrade python3-perfUpgrade kernel | 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 kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel-tools-libs | Dec 22, 2022 | Jun 2, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-tools-libsUpgrade perfUpgrade bpftoolUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-develUpgrade kernelUpgrade kernel-headersUpgrade python3-perf | Dec 9, 2022 | Jun 2, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-tools | 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 kernel-macrosUpgrade gfs2-kmp-64kbUpgrade kernel-symsUpgrade kernel-default-livepatch-develUpgrade dlm-kmp-defaultUpgrade kernel-defaultUpgrade kernel-ec2-baseUpgrade dtb-amlogicUpgrade dtb-hisiliconUpgrade dtb-mediatekUpgrade kernel-64kb-livepatch-develUpgrade kernel-xen-baseUpgrade kernel-ec2Upgrade kernel-default-baseUpgrade dtb-renesasUpgrade kernel-debug-livepatch-develUpgrade kernel-ec2-develUpgrade kselftests-kmp-preemptUpgrade kernel-trace-develUpgrade kernel-xen-develUpgrade dlm-kmp-azureUpgrade reiserfs-kmp-azureUpgrade kernel-kvmsmallUpgrade kselftests-kmp-defaultUpgrade dtb-socionextUpgrade dtb-apmUpgrade kernel-azure-livepatch-develUpgrade kernel-64kb-develUpgrade cluster-md-kmp-defaultUpgrade dtb-appleUpgrade kernel-obs-qaUpgrade dtb-armUpgrade kernel-azure-develUpgrade dtb-rockchipUpgrade kernel-preempt-extraUpgrade kernel-vanillaUpgrade kernel-preempt-livepatch-develUpgrade kernel-zfcpdumpUpgrade dtb-amdUpgrade dtb-marvellUpgrade kernel-preempt-optionalUpgrade kernel-default-extraUpgrade dtb-nvidiaUpgrade kernel-default-manUpgrade kernel-debug-develUpgrade kernel-docsUpgrade kernel-64kb-extraUpgrade kernel-develUpgrade gfs2-kmp-defaultUpgrade reiserfs-kmp-64kbUpgrade kselftests-kmp-azureUpgrade kernel-source-vanillaUpgrade kernel-default-optionalUpgrade ocfs2-kmp-64kbUpgrade kernel-azure-optionalUpgrade kernel-debugUpgrade kernel-64kb-optionalUpgrade kernel-preempt-develUpgrade dtb-qcomUpgrade kernel-azureUpgrade kernel-docs-htmlUpgrade dtb-alteraUpgrade dtb-allwinnerUpgrade reiserfs-kmp-preemptUpgrade dtb-exynosUpgrade kernel-vanilla-baseUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-kvmsmall-develUpgrade kernel-azure-extraUpgrade dtb-caviumUpgrade cluster-md-kmp-64kbUpgrade kernel-preemptUpgrade gfs2-kmp-azureUpgrade dtb-lgUpgrade dtb-broadcomUpgrade gfs2-kmp-preemptUpgrade kernel-zfcpdump-manUpgrade kernel-rtUpgrade kernel-default-livepatchUpgrade ocfs2-kmp-preemptUpgrade kernel-xenUpgrade dlm-kmp-preemptUpgrade dtb-alUpgrade dlm-kmp-64kbUpgrade kernel-vanilla-develUpgrade kernel-traceUpgrade kernel-obs-buildUpgrade dtb-xilinxUpgrade reiserfs-kmp-defaultUpgrade dtb-zteUpgrade kernel-default-base-rebuildUpgrade kernel-azure-baseUpgrade kernel-source-azureUpgrade ocfs2-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-kvmsmall-baseUpgrade kernel-trace-baseUpgrade kernel-devel-azureUpgrade dtb-amazonUpgrade cluster-md-kmp-azureUpgrade kernel-debug-baseUpgrade kernel-default-develUpgrade dtb-freescaleUpgrade kernel-vanilla-livepatch-develUpgrade ocfs2-kmp-defaultUpgrade kernel-sourceUpgrade cluster-md-kmp-preemptUpgrade kernel-syms-azureUpgrade dtb-sprdUpgrade kernel-64kb | Oct 26, 2022 | Jun 2, 2022 |
| Ubuntu | — | Upgrade linux-image-virtual-lts-xenialUpgrade linux-image-awsUpgrade linux-image-4.4.0-239-genericUpgrade linux-image-4.4.0-239-lowlatencyUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-kvmUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.4.0-1118-kvmUpgrade linux-image-lowlatencyUpgrade linux-image-4.4.0-1155-awsUpgrade linux-image-genericUpgrade linux-image-virtualUpgrade linux-image-4.4.0-1117-aws | 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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