NULL pointer dereference in Linux kernel - CVE-2023-2898

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Main Vulnerability Database Vulnerabilities #VU79476

NULL pointer dereference in Linux kernel - CVE-2023-2898

Published: August 14, 2023


Vulnerability identifier: #VU79476
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-2023-2898
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a NULL pointer dereference error within the f2fs_write_end_io() function in fs/f2fs/data.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
Slackware Linux
Ubuntu
openEuler
bpftool
kernel-debuginfo
perf-debuginfo
kernel-tools-devel
kernel-tools-debuginfo
kernel-devel
kernel-tools
perf
python3-perf
kernel
kernel-headers
bpftool-debuginfo
python3-perf-debuginfo
kernel-source
kernel-debugsource
linux (Debian package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-5.15.0-83-generic-lpae (Ubuntu package)
linux-image-5.15.0-83-lowlatency (Ubuntu package)
linux-image-5.15.0-83-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-83-generic-64k (Ubuntu package)
linux-image-5.15.0-83-generic (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-5.15.0-1027-gkeop (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1032-nvidia (Ubuntu package)
linux-image-5.15.0-1032-nvidia-lowlatency (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1037-raspi (Ubuntu package)
linux-image-5.15.0-1037-ibm (Ubuntu package)
linux-image-5.15.0-1039-intel-iotg (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-5.15.0-1041-kvm (Ubuntu package)
linux-image-5.15.0-1041-gke (Ubuntu package)
linux-image-5.15.0-1041-gcp (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-oracle-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1042-oracle (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1044-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1046-azure (Ubuntu package)
linux-image-5.15.0-1046-azure-fde (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
linux-5.15.139/kernel-generic
linux-5.15.139/kernel-huge
linux-5.15.139/kernel-modules
linux-5.15.139/kernel-headers
linux-image-6.0.0-1021-oem (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-6.1.0-1019-oem (Ubuntu package)
linux-image-6.2.0-32-generic-lpae (Ubuntu package)
linux-image-6.2.0-32-generic-64k (Ubuntu package)
linux-image-6.2.0-32-generic (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-lpae-hwe-22.04 (Ubuntu package)
linux-image-6.2.0-1004-starfive (Ubuntu package)
linux-image-starfive (Ubuntu package)
linux-image-6.2.0-1009-ibm (Ubuntu package)
linux-image-6.2.0-1011-azure (Ubuntu package)
linux-image-6.2.0-1011-oracle (Ubuntu package)
linux-image-6.2.0-1011-aws (Ubuntu package)
linux-image-6.2.0-1012-kvm (Ubuntu package)
linux-image-6.2.0-1012-lowlatency-64k (Ubuntu package)
linux-image-6.2.0-1012-lowlatency (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-6.2.0-1012-raspi (Ubuntu package)
linux-image-6.2.0-1013-gcp (Ubuntu package)
linux-image-intel-iotg (Ubuntu package)

How to mitigate CVE-2023-2898

Install updates from vendor's website.

bpftool - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-debuginfo - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
perf-debuginfo - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-tools-devel - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-tools-debuginfo - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-devel - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-tools - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
perf - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
python3-perf - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-headers - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
bpftool-debuginfo - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
python3-perf-debuginfo - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-source - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
kernel-debugsource - addressed in versions 5.10.0-60.115.0.142, 5.10.0-136.53.0.132, 5.10.0-153.31.0.108
linux (Debian package) - addressed in versions 5.10.191-1, 6.1.52-1
linux-image-generic-lpae (Ubuntu package) - addressed in versions 5.15.0.83.80, 6.2.0.32.32
linux-image-generic-64k (Ubuntu package) - addressed in versions 5.15.0.83.80, 6.2.0.32.32
linux-image-generic (Ubuntu package) - addressed in versions 5.15.0.83.80, 6.2.0.32.32
linux-image-virtual (Ubuntu package) - addressed in versions 5.15.0.83.80, 6.2.0.32.32
linux-image-lowlatency-64k (Ubuntu package) - addressed in versions 5.15.0.83.85, 6.2.0.1012.12
linux-image-lowlatency (Ubuntu package) - addressed in versions 5.15.0.83.85, 6.2.0.1012.12
linux-image-5.15.0-83-generic-lpae (Ubuntu package) - update to 5.15.0-83.92~20.04.1
linux-image-5.15.0-83-lowlatency (Ubuntu package) - update to 5.15.0-83.92~20.04.1
linux-image-5.15.0-83-lowlatency-64k (Ubuntu package) - update to 5.15.0-83.92~20.04.1
linux-image-5.15.0-83-generic-64k (Ubuntu package) - update to 5.15.0-83.92~20.04.1
linux-image-5.15.0-83-generic (Ubuntu package) - update to 5.15.0-83.92~20.04.1
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.38
linux-image-lowlatency-hwe-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.38
linux-image-oem-20.04c (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-oem-20.04b (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-oem-20.04d (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-virtual-hwe-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-oem-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-generic-lpae-hwe-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-generic-hwe-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-generic-64k-hwe-20.04 (Ubuntu package) - update to 5.15.0.83.92~20.04.41
linux-image-gkeop-5.15 (Ubuntu package) - addressed in versions 5.15.0.1027.26, 5.15.0.1027.32~20.04.23
linux-image-gkeop (Ubuntu package) - update to 5.15.0.1027.26
linux-image-5.15.0-1027-gkeop (Ubuntu package) - addressed in versions 5.15.0-1027.32, 5.15.0-1027.32~20.04.1
linux-image-nvidia (Ubuntu package) - update to 5.15.0.1032.32
linux-image-nvidia-lowlatency (Ubuntu package) - update to 5.15.0.1032.32
linux-image-5.15.0-1032-nvidia (Ubuntu package) - update to 5.15.0-1032.32
linux-image-5.15.0-1032-nvidia-lowlatency (Ubuntu package) - update to 5.15.0-1032.32
linux-image-ibm (Ubuntu package) - addressed in versions 5.15.0.1037.33, 5.15.0.1037.40~20.04.9, 6.2.0.1009.9
linux-image-raspi (Ubuntu package) - addressed in versions 5.15.0.1037.35, 6.2.0.1012.15
linux-image-raspi-nolpae (Ubuntu package) - addressed in versions 5.15.0.1037.35, 6.2.0.1012.15
linux-image-5.15.0-1037-raspi (Ubuntu package) - update to 5.15.0-1037.40
linux-image-5.15.0-1037-ibm (Ubuntu package) - addressed in versions 5.15.0-1037.40, 5.15.0-1037.40~20.04.1
linux-image-intel-iotg (Ubuntu package) - update to 5.15.0.1039.39
linux-image-5.15.0-1039-intel-iotg (Ubuntu package) - update to 5.15.0-1039.45
linux-image-gcp-lts-22.04 (Ubuntu package) - update to 5.15.0.1041.37
linux-image-kvm (Ubuntu package) - addressed in versions 5.15.0.1041.37, 6.2.0.1012.12
linux-image-gke-5.15 (Ubuntu package) - update to 5.15.0.1041.40
linux-image-gke (Ubuntu package) - update to 5.15.0.1041.40
linux-image-5.15.0-1041-kvm (Ubuntu package) - update to 5.15.0-1041.46
linux-image-5.15.0-1041-gke (Ubuntu package) - update to 5.15.0-1041.46
linux-image-5.15.0-1041-gcp (Ubuntu package) - addressed in versions 5.15.0-1041.49, 5.15.0-1041.49~20.04.1
linux-image-gcp (Ubuntu package) - addressed in versions 5.15.0.1041.49~20.04.1, 6.2.0.1013.13, 6.2.0.1013.13~22.04.1
linux-image-oracle-lts-22.04 (Ubuntu package) - update to 5.15.0.1042.37
linux-image-5.15.0-1042-oracle (Ubuntu package) - addressed in versions 5.15.0-1042.48, 5.15.0-1042.48~20.04.1
linux-image-oracle (Ubuntu package) - addressed in versions 5.15.0.1042.48~20.04.1, 6.2.0.1011.11
linux-image-aws-lts-22.04 (Ubuntu package) - update to 5.15.0.1044.43
linux-image-5.15.0-1044-aws (Ubuntu package) - addressed in versions 5.15.0-1044.49, 5.15.0-1044.49~20.04.1
linux-image-aws (Ubuntu package) - addressed in versions 5.15.0.1044.49~20.04.32, 6.2.0.1011.11~22.04.1, 6.2.0.1011.12
linux-image-azure-lts-22.04 (Ubuntu package) - update to 5.15.0.1046.42
linux-image-5.15.0-1046-azure (Ubuntu package) - addressed in versions 5.15.0-1046.53, 5.15.0-1046.53~20.04.1
linux-image-5.15.0-1046-azure-fde (Ubuntu package) - addressed in versions 5.15.0-1046.53.1, 5.15.0-1046.53~20.04.1.1
linux-image-azure-fde (Ubuntu package) - update to 5.15.0.1046.53~20.04.1.24
linux-image-azure-cvm (Ubuntu package) - update to 5.15.0.1046.53~20.04.35
linux-image-azure (Ubuntu package) - addressed in versions 5.15.0.1046.53~20.04.35, 6.2.0.1011.11
linux-image-azure-fde-lts-22.04 (Ubuntu package) - update to 5.15.0.1046.53.24
linux-5.15.139/kernel-generic - update to 5.15.139
linux-5.15.139/kernel-huge - update to 5.15.139
linux-5.15.139/kernel-modules - update to 5.15.139
linux-5.15.139/kernel-headers - update to 5.15.139_smp
linux-image-6.0.0-1021-oem (Ubuntu package) - update to 6.0.0-1021.21
linux-image-oem-22.04b (Ubuntu package) - update to 6.0.0.1021.21
linux-image-oem-22.04c (Ubuntu package) - update to 6.1.0.1019.19
linux-image-6.1.0-1019-oem (Ubuntu package) - update to 6.1.0-1019.19
linux-image-6.2.0-32-generic-lpae (Ubuntu package) - update to 6.2.0-32.32~22.04.1
linux-image-6.2.0-32-generic-64k (Ubuntu package) - update to 6.2.0-32.32~22.04.1
linux-image-6.2.0-32-generic (Ubuntu package) - update to 6.2.0-32.32~22.04.1
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.2.0.32.32~22.04.9
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.2.0.32.32~22.04.9
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.2.0.32.32~22.04.9
linux-image-generic-lpae-hwe-22.04 (Ubuntu package) - update to 6.2.0.32.32~22.04.9
linux-image-6.2.0-1004-starfive (Ubuntu package) - update to 6.2.0-1004.5
linux-image-starfive (Ubuntu package) - update to 6.2.0.1004.7
linux-image-6.2.0-1009-ibm (Ubuntu package) - update to 6.2.0-1009.9
linux-image-6.2.0-1011-azure (Ubuntu package) - update to 6.2.0-1011.11
linux-image-6.2.0-1011-oracle (Ubuntu package) - update to 6.2.0-1011.11
linux-image-6.2.0-1011-aws (Ubuntu package) - update to 6.2.0-1011.11~22.04.1
linux-image-6.2.0-1012-kvm (Ubuntu package) - update to 6.2.0-1012.12
linux-image-6.2.0-1012-lowlatency-64k (Ubuntu package) - update to 6.2.0-1012.12~22.04.1
linux-image-6.2.0-1012-lowlatency (Ubuntu package) - update to 6.2.0-1012.12~22.04.1
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 6.2.0.1012.12~22.04.9
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 6.2.0.1012.12~22.04.9
linux-image-6.2.0-1012-raspi (Ubuntu package) - update to 6.2.0-1012.14
linux-image-6.2.0-1013-gcp (Ubuntu package) - addressed in versions 6.2.0-1013.13, 6.2.0-1013.13~22.04.1

External References

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