Out-of-bounds read in Linux kernel - CVE-2022-48502

Vulnerability identifier: #VU78725

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-48502

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the ntfs_set_ea() function in fs/ntfs3/xattr.c in Linux kernel ntfs3 subsystem. A local user can trigger an out-of-bounds read error and read contents of memory on the system or crash the OS kernel.

Linux kernel
Amazon Linux AMI
Slackware Linux
Ubuntu
openEuler
kernel-tools-devel
kernel
kernel-tools-debuginfo
kernel-debuginfo
bpftool
perf
python3-perf-debuginfo
bpftool-debuginfo
kernel-headers
kernel-devel
kernel-source
perf-debuginfo
kernel-tools
python3-perf
kernel-debugsource
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-79-generic-lpae (Ubuntu package)
linux-image-5.15.0-79-generic-64k (Ubuntu package)
linux-image-5.15.0-79-generic (Ubuntu package)
linux-image-oem-20.04b (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-oem-20.04c (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-5.15.0-79-lowlatency (Ubuntu package)
linux-image-5.15.0-79-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-5.15.0-1025-gkeop (Ubuntu package)
linux-image-5.15.0-1030-nvidia (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1030-nvidia-lowlatency (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1035-ibm (Ubuntu package)
linux-image-5.15.0-1035-raspi (Ubuntu package)
linux-image-5.15.0-1037-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-5.15.0-1039-gke (Ubuntu package)
linux-image-5.15.0-1039-kvm (Ubuntu package)
linux-image-5.15.0-1039-gcp (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-5.15.0-1040-oracle (Ubuntu package)
linux-image-5.15.0-1041-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1042-aws (Ubuntu package)
linux-image-5.15.0-1043-azure-fde (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1045-azure (Ubuntu package)
linux-image-5.15.0-1045-azure-fde (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
linux-5.15.139/kernel-modules
linux-5.15.139/kernel-huge
linux-5.15.139/kernel-generic
linux-5.15.139/kernel-headers
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-lpae-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-5.19.0-50-generic (Ubuntu package)
linux-image-5.19.0-50-generic-64k (Ubuntu package)
linux-image-5.19.0-50-generic-lpae (Ubuntu package)
linux-image-5.19.0-1029-aws (Ubuntu package)
linux-image-5.19.0-1030-gcp (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-6.1.0-1019-oem (Ubuntu package)
linux-image-intel-iotg (Ubuntu package)
linux-image-intel (Ubuntu package)

Install updates from vendor's website.

Linux kernel - update to 6.2
kernel-tools-devel - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-tools-debuginfo - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-debuginfo - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
bpftool - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
perf - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
python3-perf-debuginfo - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
bpftool-debuginfo - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-headers - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-devel - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-source - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
perf-debuginfo - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-tools - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
python3-perf - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
kernel-debugsource - addressed in versions 5.10.0-60.98.0.122, 5.10.0-136.36.0.112
linux-image-generic (Ubuntu package) - update to 5.15.0.79.76
linux-image-generic-64k (Ubuntu package) - update to 5.15.0.79.76
linux-image-generic-lpae (Ubuntu package) - update to 5.15.0.79.76
linux-image-virtual (Ubuntu package) - update to 5.15.0.79.76
linux-image-lowlatency (Ubuntu package) - update to 5.15.0.79.83
linux-image-lowlatency-64k (Ubuntu package) - update to 5.15.0.79.83
linux-image-5.15.0-79-generic-lpae (Ubuntu package) - update to 5.15.0-79.86~20.04.2
linux-image-5.15.0-79-generic-64k (Ubuntu package) - update to 5.15.0-79.86~20.04.2
linux-image-5.15.0-79-generic (Ubuntu package) - update to 5.15.0-79.86~20.04.2
linux-image-oem-20.04b (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-oem-20.04 (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-generic-lpae-hwe-20.04 (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-generic-hwe-20.04 (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-generic-64k-hwe-20.04 (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-oem-20.04c (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-virtual-hwe-20.04 (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-oem-20.04d (Ubuntu package) - update to 5.15.0.79.86~20.04.39
linux-image-5.15.0-79-lowlatency (Ubuntu package) - update to 5.15.0-79.88~20.04.1
linux-image-5.15.0-79-lowlatency-64k (Ubuntu package) - update to 5.15.0-79.88~20.04.1
linux-image-lowlatency-hwe-20.04 (Ubuntu package) - update to 5.15.0.79.88~20.04.36
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package) - update to 5.15.0.79.88~20.04.36
linux-image-gkeop-5.15 (Ubuntu package) - addressed in versions 5.15.0.1025.24, 5.15.0.1025.30~20.04.21
linux-image-gkeop (Ubuntu package) - update to 5.15.0.1025.24
linux-image-5.15.0-1025-gkeop (Ubuntu package) - addressed in versions 5.15.0-1025.30, 5.15.0-1025.30~20.04.1
linux-image-5.15.0-1030-nvidia (Ubuntu package) - update to 5.15.0-1030.30
linux-image-nvidia (Ubuntu package) - update to 5.15.0.1030.30
linux-image-nvidia-lowlatency (Ubuntu package) - update to 5.15.0.1030.30
linux-image-5.15.0-1030-nvidia-lowlatency (Ubuntu package) - update to 5.15.0-1030.30
linux-image-ibm (Ubuntu package) - update to 5.15.0.1035.31
linux-image-raspi (Ubuntu package) - update to 5.15.0.1035.33
linux-image-raspi-nolpae (Ubuntu package) - update to 5.15.0.1035.33
linux-image-5.15.0-1035-ibm (Ubuntu package) - update to 5.15.0-1035.38
linux-image-5.15.0-1035-raspi (Ubuntu package) - update to 5.15.0-1035.38
linux-image-intel-iotg (Ubuntu package) - addressed in versions 5.15.0.1037.36, 5.15.0.1037.42~20.04.27
linux-image-5.15.0-1037-intel-iotg (Ubuntu package) - update to 5.15.0-1037.42~20.04.1
linux-image-intel (Ubuntu package) - update to 5.15.0.1037.42~20.04.27
linux-image-gcp-lts-22.04 (Ubuntu package) - update to 5.15.0.1039.35
linux-image-kvm (Ubuntu package) - update to 5.15.0.1039.35
linux-image-gke-5.15 (Ubuntu package) - addressed in versions 5.15.0.1039.38, 5.15.0.1039.44~20.04.1
linux-image-gke (Ubuntu package) - update to 5.15.0.1039.38
linux-image-5.15.0-1039-gke (Ubuntu package) - addressed in versions 5.15.0-1039.44, 5.15.0-1039.44~20.04.1
linux-image-5.15.0-1039-kvm (Ubuntu package) - update to 5.15.0-1039.44
linux-image-5.15.0-1039-gcp (Ubuntu package) - addressed in versions 5.15.0-1039.47, 5.15.0-1039.47~20.04.1
linux-image-gcp (Ubuntu package) - addressed in versions 5.15.0.1039.47~20.04.1, 5.19.0.1030.32~22.04.2
linux-image-oracle (Ubuntu package) - addressed in versions 5.15.0.1040.35, 5.15.0.1040.46~20.04.1
linux-image-5.15.0-1040-oracle (Ubuntu package) - update to 5.15.0-1040.46~20.04.1
linux-image-5.15.0-1041-aws (Ubuntu package) - update to 5.15.0-1041.46~20.04.1
linux-image-aws (Ubuntu package) - addressed in versions 5.15.0.1041.46~20.04.30, 5.19.0.1029.30~22.04.13
linux-image-aws-lts-22.04 (Ubuntu package) - update to 5.15.0.1042.41
linux-image-5.15.0-1042-aws (Ubuntu package) - update to 5.15.0-1042.47
linux-image-5.15.0-1043-azure-fde (Ubuntu package) - update to 5.15.0-1043.50~20.04.1.1
linux-image-azure-fde (Ubuntu package) - update to 5.15.0.1043.50~20.04.1.22
linux-image-azure-lts-22.04 (Ubuntu package) - update to 5.15.0.1045.41
linux-image-5.15.0-1045-azure (Ubuntu package) - addressed in versions 5.15.0-1045.52, 5.15.0-1045.52~20.04.1
linux-image-5.15.0-1045-azure-fde (Ubuntu package) - update to 5.15.0-1045.52.1
linux-image-azure (Ubuntu package) - update to 5.15.0.1045.52~20.04.34
linux-image-azure-cvm (Ubuntu package) - update to 5.15.0.1045.52~20.04.34
linux-image-azure-fde-lts-22.04 (Ubuntu package) - update to 5.15.0.1045.52.23
linux-5.15.139/kernel-modules - update to 5.15.139
linux-5.15.139/kernel-huge - update to 5.15.139
linux-5.15.139/kernel-generic - update to 5.15.139
linux-5.15.139/kernel-headers - update to 5.15.139_smp
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 5.19.0.50.22
linux-image-generic-lpae-hwe-22.04 (Ubuntu package) - update to 5.19.0.50.22
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 5.19.0.50.22
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 5.19.0.50.22
linux-image-5.19.0-50-generic (Ubuntu package) - update to 5.19.0-50.50
linux-image-5.19.0-50-generic-64k (Ubuntu package) - update to 5.19.0-50.50
linux-image-5.19.0-50-generic-lpae (Ubuntu package) - update to 5.19.0-50.50
linux-image-5.19.0-1029-aws (Ubuntu package) - update to 5.19.0-1029.30~22.04.1
linux-image-5.19.0-1030-gcp (Ubuntu package) - update to 5.19.0-1030.32~22.04.1
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
kernel - addressed in versions 6.1.41-63.109, 6.1.41-63.114

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b
• https://syzkaller.appspot.com/bug?extid=8778f030156c6cd16d72
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2
• https://security.netapp.com/advisory/ntap-20230703-0004/

• Out-of-bounds read in Linux kernel ntfs3
• Ubuntu update for linux-aws-5.19
• Ubuntu update for linux-oem-6.1
• Ubuntu update for linux
• Ubuntu update for linux-gcp-5.15
• Ubuntu update for linux-azure
• Ubuntu update for linux-azure-fde-5.15
• Slackware Linux update for kernel
• openEuler 22.03 LTS update for kernel
• openEuler 22.03 LTS SP1 update for kernel
• openEuler 22.03 LTS SP1 update for kernel
• openEuler 22.03 LTS update for kernel
• Amazon Linux AMI update for kernel
• Amazon Linux AMI update for kernel