Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7795-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7795-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (AWS FIPS) vulnerabilities (USN-7795-3)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7795-3 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-2132)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : nvme: nvme-fc: Ensure -ioerrwork is cancelled in nvmefcdeletectrlCVE-2025-40261 cifs: fix session state check in reconnect to avoid...

EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-2171)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : nvme: nvme-fc: Ensure -ioerrwork is cancelled in nvmefcdeletectrlCVE-2025-40261 cifs: fix session state check in reconnect to avoid...

CVE-2025-70100

A divide-by-zero vulnerability in the ext4blocksetlbsize function in src/ext4blockdev.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by providing a malformed ext4 filesystem image that results in a zero logical block size. The vulnerability is triggered during mount o...

CVE-2025-70101

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...

CVE-2025-70100

A divide-by-zero vulnerability in the ext4blocksetlbsize function in src/ext4blockdev.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by providing a malformed ext4 filesystem image that results in a zero logical block size. The vulnerability is triggered during mount o...

CVE-2025-70101

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...

EUVD-2025-210054

A divide-by-zero vulnerability in the ext4blocksetlbsize function in src/ext4blockdev.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by providing a malformed ext4 filesystem image that results in a zero logical block size. The vulnerability is triggered during mount o...

CVE-2025-70100

A divide-by-zero vulnerability in the ext4blocksetlbsize function in src/ext4blockdev.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by providing a malformed ext4 filesystem image that results in a zero logical block size. The vulnerability is triggered during mount o...

CVE-2025-70100

The lwext4 1.0.0 library is vulnerable to a divide-by-zero vulnerability in the ext4_block_set_lb_size function located in src/ext4_blockdev.c. The root cause is a lack of validation for the lb_size variable. An attacker can provide a malformed ext4 filesystem image with a zero logical block size...

PT-2026-45935

Name of the Vulnerable Software and Affected Versions lwext4 version 1.0.0 Description An out-of-bounds read exists in the ext4 ext binsearch idx function within the src/ext4 extent.c file. This occurs because extent header fields are not sufficiently validated before a binary search is performed...

PT-2026-45934

Name of the Vulnerable Software and Affected Versions lwext4 version 1.0.0 Description A divide-by-zero issue exists in the ext4 block set lb size function within the src/ext4 blockdev.c file. This occurs when a malformed ext4 filesystem image with a zero logical block size is provided, leading t...

CVE-2025-70100

A divide-by-zero vulnerability in the ext4blocksetlbsize function in src/ext4blockdev.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by providing a malformed ext4 filesystem image that results in a zero logical block size. The vulnerability is triggered during mount o...

lwext4 安全漏洞

lwext4 is an embedded library developed by Grzegorz Kostka for microcontrollers, which provides ext2/3/4 file systems. Version 1.0.0 of lwext4 contains a security vulnerability. This vulnerability stems from the lack of validation for lbsize in the ext4blocksetlbsize function, resulting in a zero...

CVE-2025-70101

The lwext4 1.0.0 library, an embedded library providing ext2/3/4 file systems for microcontrollers, contains an out-of-bounds read vulnerability in the ext4_ext_binsearch_idx function located in src/ext4_extent.c. The root cause is insufficient validation of extent header fields before performing...

CVE-2025-70101

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...

CVE-2025-70101

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...

CVE-2025-70101

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...

CVE-2025-70101

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...