Use of uninitialized resource in Linux kernel - CVE-2024-26638

Vulnerability identifier: #VU90881

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-26638

CWE-ID: CWE-908

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the __sock_xmit() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Oracle Linux
Amazon Linux AMI
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Public Cloud Module
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
openSUSE Leap
Ubuntu
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
linux-starfive (Ubuntu package)
linux (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-azure (Ubuntu package)
linux-raspi (Ubuntu package)
linux-gcp (Ubuntu package)
linux-lowlatency-hwe-6.5 (Ubuntu package)
linux-azure-6.5 (Ubuntu package)
linux-starfive-6.5 (Ubuntu package)
linux-gcp-6.5 (Ubuntu package)
kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource
kernel-livepatch-6_4_0-150600_10_5-rt
kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo
kernel (Red Hat package)
kernel-debug-devel
kernel-doc
kernel-abi-stablelists
python3-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-modules-extra
kernel-modules
kernel-headers
kernel-devel
kernel-debug-modules-extra
kernel-debug-modules
kernel-debug-core
kernel-debug
kernel-cross-headers
kernel-core
kernel
bpftool
kernel-syms-azure
kernel-azure-extra
reiserfs-kmp-azure
kernel-devel-azure
kernel-azure-debuginfo
kernel-azure-extra-debuginfo
dlm-kmp-azure-debuginfo
dlm-kmp-azure
kernel-azure-optional
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure
kselftests-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
gfs2-kmp-azure-debuginfo
kernel-azure-livepatch-devel
cluster-md-kmp-azure
kernel-source-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure
kernel-azure-optional-debuginfo
kselftests-kmp-azure
kernel-azure-devel
kernel-azure-debugsource
reiserfs-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-rt_debug-vdso-debuginfo
kernel-rt-livepatch-devel
kernel-rt-optional-debuginfo
kernel-rt_debug-devel-debuginfo
dlm-kmp-rt
kernel-rt-extra
dlm-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-syms-rt
kernel-rt-optional
ocfs2-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt_debug
kernel-rt
kselftests-kmp-rt
gfs2-kmp-rt
kernel-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-rt_debug-debuginfo
kernel-rt_debug-livepatch-devel
reiserfs-kmp-rt
cluster-md-kmp-rt
kernel-rt_debug-devel
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-debugsource
cluster-md-kmp-rt-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt_debug-vdso
kernel-rt-vdso
kernel-rt-devel-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt-devel
kernel-rt-vdso-debuginfo
ocfs2-kmp-rt
linux-image-6.5.0-41-generic-64k (Ubuntu package)
linux-image-6.5.0-41-generic (Ubuntu package)
linux-image-6.5.0-1017-laptop (Ubuntu package)
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package)
linux-image-6.5.0-1021-nvidia (Ubuntu package)
linux-image-6.5.0-1022-oem (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-laptop-23.10 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-6.5 (Ubuntu package)
linux-image-nvidia-6.5 (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
Storage Copy Data Management
Cloud Pak for Network Automation
Technical Support Appliance
IBM Cloud Pak for Watson AIOps
Red Hat OpenShift Container Platform
OpenShift Logging
IBM Spectrum Protect Plus

Install update from vendor's website.

Linux kernel - addressed in versions 6.1.76, 6.6.15, 6.7.3, 6.8
linux-starfive (Ubuntu package) - update to 6.5.0-1015.16
linux (Ubuntu package) - update to 6.5.0-41.41
linux-lowlatency (Ubuntu package) - update to 6.5.0-41.41.1
linux-azure (Ubuntu package) - update to 6.5.0-1022.23
linux-raspi (Ubuntu package) - update to 6.5.0-1018.21
linux-gcp (Ubuntu package) - update to 6.5.0-1022.24
linux-lowlatency-hwe-6.5 (Ubuntu package) - update to 6.5.0-41.41.1~22.04.1
linux-azure-6.5 (Ubuntu package) - update to 6.5.0-1022.23~22.04.1
linux-starfive-6.5 (Ubuntu package) - update to 6.5.0-1015.16~22.04.1
linux-gcp-6.5 (Ubuntu package) - update to 6.5.0-1022.24~22.04.1
kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource - update to 1-150600.1.5.1
kernel-livepatch-6_4_0-150600_10_5-rt - update to 1-150600.1.5.1
kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo - update to 1-150600.1.5.1
kernel (Red Hat package) - addressed in versions 4.18.0-553.22.1.el8_10, 5.14.0-427.74.1.el9_4
kernel-debug-devel - update to 4.18.0-553.22.1.0.1
kernel-doc - update to 4.18.0-553.22.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.22.1.0.1
python3-perf - update to 4.18.0-553.22.1.0.1
perf - update to 4.18.0-553.22.1.0.1
kernel-tools-libs-devel - update to 4.18.0-553.22.1.0.1
kernel-tools-libs - update to 4.18.0-553.22.1.0.1
kernel-tools - update to 4.18.0-553.22.1.0.1
kernel-modules-extra - update to 4.18.0-553.22.1.0.1
kernel-modules - update to 4.18.0-553.22.1.0.1
kernel-headers - update to 4.18.0-553.22.1.0.1
kernel-devel - update to 4.18.0-553.22.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.22.1.0.1
kernel-debug-modules - update to 4.18.0-553.22.1.0.1
kernel-debug-core - update to 4.18.0-553.22.1.0.1
kernel-debug - update to 4.18.0-553.22.1.0.1
kernel-cross-headers - update to 4.18.0-553.22.1.0.1
kernel-core - update to 4.18.0-553.22.1.0.1
kernel - update to 4.18.0-553.22.1.0.1
bpftool - update to 4.18.0-553.22.1.0.1
kernel - update to 6.1.77-99.164
kernel-syms-azure - update to 6.4.0-150600.8.5.1
kernel-azure-extra - update to 6.4.0-150600.8.5.4
reiserfs-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-devel-azure - update to 6.4.0-150600.8.5.4
kernel-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.5.4
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
dlm-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-optional - update to 6.4.0-150600.8.5.4
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
gfs2-kmp-azure - update to 6.4.0-150600.8.5.4
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-devel-debuginfo - update to 6.4.0-150600.8.5.4
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-livepatch-devel - update to 6.4.0-150600.8.5.4
cluster-md-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-source-azure - update to 6.4.0-150600.8.5.4
kernel-azure-vdso - update to 6.4.0-150600.8.5.4
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure - update to 6.4.0-150600.8.5.4
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.5.4
kselftests-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-devel - update to 6.4.0-150600.8.5.4
kernel-azure-debugsource - update to 6.4.0-150600.8.5.4
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
ocfs2-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.5.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150600.10.5.1
dlm-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt-extra - update to 6.4.0-150600.10.5.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-debugsource - update to 6.4.0-150600.10.5.1
kernel-syms-rt - update to 6.4.0-150600.10.5.1
kernel-rt-optional - update to 6.4.0-150600.10.5.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-devel-rt - update to 6.4.0-150600.10.5.1
kernel-source-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug - update to 6.4.0-150600.10.5.1
kernel-rt - update to 6.4.0-150600.10.5.1
kselftests-kmp-rt - update to 6.4.0-150600.10.5.1
gfs2-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-livepatch-devel - update to 6.4.0-150600.10.5.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.5.1
cluster-md-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug-devel - update to 6.4.0-150600.10.5.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-debugsource - update to 6.4.0-150600.10.5.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.5.1
kernel-rt-vdso - update to 6.4.0-150600.10.5.1
kernel-rt-devel-debuginfo - update to 6.4.0-150600.10.5.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-devel - update to 6.4.0-150600.10.5.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.5.1
ocfs2-kmp-rt - update to 6.4.0-150600.10.5.1
Storage Copy Data Management - update to 2.2.25.0
Cloud Pak for Network Automation - update to 2.7.7
Technical Support Appliance - update to 3.0.1
IBM Cloud Pak for Watson AIOps - update to 4.7.0
Red Hat OpenShift Container Platform - addressed in versions 4.13.52, 4.14.38, 4.15.35, 4.18.19, 4.19.2
OpenShift Logging - update to 5.6.25
IBM Spectrum Protect Plus - update to 10.1.6.4
linux-image-6.5.0-41-generic-64k (Ubuntu package) - update to 6.5.0-41.41~22.04.2
linux-image-6.5.0-41-generic (Ubuntu package) - update to 6.5.0-41.41~22.04.2
linux-image-6.5.0-1017-laptop (Ubuntu package) - update to 6.5.0-1017.20
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package) - update to 6.5.0-1021.22
linux-image-6.5.0-1021-nvidia (Ubuntu package) - update to 6.5.0-1021.22
linux-image-6.5.0-1022-oem (Ubuntu package) - update to 6.5.0-1022.23
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-laptop-23.10 (Ubuntu package) - update to 6.5.0.1017.20
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-64k-6.5 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-6.5 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-oem-22.04 (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04a (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04b (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04c (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04d (Ubuntu package) - update to 6.5.0.1022.24

• https://git.kernel.org/stable/c/d9c54763e5cdbbd3f81868597fe8aca3c96e6387
• https://git.kernel.org/stable/c/1960f2b534da1e6c65fb96f9e98bda773495f406
• https://git.kernel.org/stable/c/b0028f333420a65a53a63978522db680b37379dd
• https://git.kernel.org/stable/c/78fbb92af27d0982634116c7a31065f24d092826
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8

• Use of uninitialized resource in Linux kernel block driver
• SUSE update for the Linux Kernel
• Ubuntu update for linux-oem-6.5
• Ubuntu update for linux-laptop
• Ubuntu update for linux-nvidia-6.5
• Ubuntu update for linux-hwe-6.5
• Amazon Linux AMI update for kernel
• SUSE update for the Linux Kernel
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.14
• Red Hat Enterprise Linux 8 update for kernel
• Multiple vulnerabilities in Oracle Linux
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13
• Multiple vulnerabilities in OpenShift Logging 5.6
• Multiple vulnerabilities in IBM Cloud Pak for Network Automation
• Multiple vulnerabilities in IBM Technical Support Appliance
• Multiple vulnerabilities in IBM Spectrum Protect Plus
• Multiple vulnerabilities in IBM Storage Copy Data Management
• Multiple vulnerabilities in IBM Cloud Pak for AIOps
• Anolis OS update for kernel
• Red Hat Enterprise Linux 9 update for kernel
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.19
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.18
• Ubuntu update for linux, linux-gcp, linux-gcp-6.5 and more
• Ubuntu update for linux-azure, linux-azure-6.5, linux-starfive and more