CVE-2026-45915 fat: avoid parent link count underflow in rmdir

In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exist. rmdir then unconditionally calls dropnlinkdir and can drive inlink...

CVE-2026-45915

CVE-2026-45915 — FAT filesystem rmdir link-count underflow (Linux kernel) Root cause: When FAT images are corrupted, a directory inode’s i_nlink can be incorrect (e.g., 2) while subdirectories exist, causing rmdir to call drop_nlink(dir) unconditionally and potentially drive i_nlink to 0, trigger...

CVE-2026-45915

In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exist. rmdir then unconditionally calls dropnlinkdir and can drive inlink...

CVE-2026-45912

In the Linux kernel, the following vulnerability has been resolved: ext4: don't cache extent during splitting extent Caching extents during the splitting process is risky, as it may result in stale extents remaining in the status tree. Moreover, in most cases, the corresponding extent block entri...

CVE-2026-45892 ext4: drop extent cache after doing PARTIAL_VALID1 zeroout

In the Linux kernel, the following vulnerability has been resolved: ext4: drop extent cache after doing PARTIALVALID1 zeroout When splitting an unwritten extent in the middle and converting it to initialized in ext4splitextent with the EXT4EXTMAYZEROOUT and EXT4EXTDATAVALID2 flags set, it could...

CVE-2026-45858 ext4: don't zero the entire extent if EXT4_EXT_DATA_PARTIAL_VALID1

In the Linux kernel, the following vulnerability has been resolved: ext4: don't zero the entire extent if EXT4EXTDATAPARTIALVALID1 When allocating initialized blocks from a large unwritten extent, or when splitting an unwritten extent during end I/O and converting it to initialized, there is...

SUSE CVE-2025-22240

Arbitrary directory creation or file deletion. In the findfile method of the GitFS class, a path is created using os.path.join using unvalidated input from the “tgtenv” variable. This can be exploited by an attacker to delete any file on the Master's process has permissions to...

PT-2026-44013

Name of the Vulnerable Software and Affected Versions Jenkins Email Extension Plugin versions prior to 1933.v45cec755423f Description The plugin allows inlining images as base64 in email content by setting the data-inline attribute. Because there are no restrictions on the image URLs that can be...

CVE-2026-46002

In the Linux kernel, the following vulnerability has been resolved: ext2: reject inodes with zero inlink and valid mode in ext2iget ext2iget already rejects inodes with inlink == 0 when imode is zero or idtime is set, treating them as deleted. However, the case of inlink == 0 with a non-zero mode...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fact that the rmdir operation in the FAT file system does not check the inlink value of the...

CVE-2026-45948

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from discontinuous gaps during block allocation in btrfs. This issue causes an EEXIST error in the...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the nireadfoliocmpr function in the ntfs3 file system. This function involves deadlocks due to lo...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ext2iget function failing to properly reject inodes where inlink is zero, imode is non-zero,...

PT-2026-44112

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.8.7 Description An issue exists in the hardware authentication system for Linux where shell injection can occur. A crafted UUID in the configuration can lead to root remote code execution when the pamusb-conf...

PT-2026-43827

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count inconsistency occurs in the hfsplus module when the hfs bnode create function identifies that a node is already hashed. Instead of incrementing the reference count, the...

Linux Distros Unpatched Vulnerability : CVE-2026-46054

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - selinux: fix overlayfs mmap and mprotect access checks The existing SELinux security model for overlayfs is to allow access if the current task is able to acces...

CVE-2026-45864

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent infinite loops caused by the next valid being the same When processing valid within the range valid : pos, if valid cannot be retrieved correctly, for example, if the retrieved valid value is always the same, th...

PT-2026-43869

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext2 filesystem where the ext2 iget function fails to reject inodes that have a link count i nlink of zero while maintaining a valid mode and a zero deletion time ...

PT-2026-43876

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified openSUSE Tumbleweed versions prior to kernel-devel-7.0.11-1.1 Description A duplicate resource teardown occurs in the PCI endpoint pci-epf-ntb component. The function epf ntb epc destroy performs...