UBUNTU-CVE-2023-34256

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

CVE-2023-34256

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

Out-of-bounds

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

CVE-2023-34256: Out-of-bounds Read

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb CVE-2022-50021 A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privilege escalation. T...

CVE-2023-34256

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

CVE-2023-34256

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

CVE-2023-34256

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

Linux Kernel Buffer Overflow Vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in versions of Linux kernel prior to 6.3.3, which stems from ext4groupdesccsum failing to properly check offsets. An attacker could exploit the...

CVE-2023-34256

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4groupdesccsum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend again...

Amazon Linux AMI : kernel (ALAS-2023-1744)

The version of kernel installed on the remote host is prior to 4.14.314-164.533. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1744 advisory. A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inod...

Linux ext4_xattr_set_entry Heap Buffer Overflow DoS

The vulnerability of the ext4xattrsetentry function in the fs/ext4/xattr.c module of the Linux kernel is related to incorrect calculation of the available storage space for storing attributes. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2023-032)

The version of kernel installed on the remote host is prior to 5.10.179-166.674. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2023-032 advisory. 2023-09-14: CVE-2023-2163 was added to this advisory. bpf: incorrect verifier pruning due to missing...

Amazon Linux 2 : kernel (ALASKERNEL-5.4-2023-045)

The version of kernel installed on the remote host is prior to 5.4.242-155.348. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2023-045 advisory. 2023-09-14: CVE-2023-2163 was added to this advisory. bpf: incorrect verifier pruning due to missing...

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.

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Medium: kernel

Issue Overview: bpf: incorrect verifier pruning due to missing register precision taints, which may lead to out-of-band read/write access due to an incorrect verifier conclusion. CVE-2023-2163 A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the...

Medium: kernel

Issue Overview: A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors. CVE-2023-2513 qfqchangeclass in...

Medium: kernel

Issue Overview: bpf: incorrect verifier pruning due to missing register precision taints, which may lead to out-of-band read/write access due to an incorrect verifier conclusion. CVE-2023-2163 A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the...

PT-2025-37890

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue in the ext4 filesystem related to bounds checking within the get max inline xattr value size function. A corruption of the inode table can occur if...

PT-2025-40157

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s ext4 implementation. A malicious fuzzer could potentially overwrite the ext4 superblock while mounted, setting the s first data block to a large numbe...