UBUNTU-CVE-2026-46100

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

UBUNTU-CVE-2026-46094

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bounds check in checkxattrs to prevent out-of-bounds access The bounds check for the next xattr entry in checkxattrs uses void next = end, which allows next to point within sizeofu32 bytes of end. On the next loop...

UBUNTU-CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45861

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in qdput Commit a475c5dd16e5 "gfs2: Free quota data objects synchronously" started freeing quota data objects during filesystem shutdown instead of putting them back onto the LRU list, but it failed ...

EUVD-2026-32512

Jenkins Pipeline: Groovy Libraries Plugin 797.v90eaa9be45a0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem...

CVE-2026-48921

CVE-2026-48921 affects Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier. The root cause is that the plugin does not prohibit symbolic links in shared libraries, which allows an attacker who can control the library content used by a Pipeline job to read arbitrary files o...

CVE-2026-48921

Jenkins Pipeline: Groovy Libraries Plugin 797.v90eaa9be45a0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem...

CVE-2026-48921

Jenkins Pipeline: Groovy Libraries Plugin 797.v90eaa9be45a0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem...

CVE-2026-48920

CVE-2026-48920 affects Jenkins’ Email Extension Plugin (versions up to 1933.v45cec755423f and earlier). The vulnerability arises when inlining images as base64 via the data-inline attribute, with no restrictions on inlined image URLs, enabling an attacker-controlled email to specify file: URLs an...

CVE-2026-48920

Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as base64 in email content by setting the data-inline attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify file: URLs for images t...

CVE-2026-46080

The CVE-2026-46080 entry documents a Linux kernel OCFS2 issue where JBD2 credit exhaustion during direct I/O writes could trigger warnings. The fix addresses this by: (1) splitting and batching extent operations in ocfs2_dio_end_io_write to prevent exceeding journal credits, (2) relocating ocfs2_...

EUVD-2026-32443

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix deadlock in jbd2journalcancelrevoke Commit f76d4c28a46a "fs/jbd2: use sleeping version of findgetblock" changed jbd2journalcancelrevoke to use findgetblocknonatomic which holds the folio lock instead of iprivatelock. Th...

CVE-2026-46054

In the Linux kernel, the following vulnerability has been resolved: 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 access the top level file the "user" file and the mounter's credentials ar...

CVE-2026-46054

CVE-2026-46054 affects the Linux kernel SELinux overlayfs access checks for mmap() and mprotect(). The issue arises from insufficient enforcement of backing-file access between the user file and backing file, potentially bypassing policies. A patch introduces security_mmap_backing_file() to enfor...

EUVD-2026-32436

In the Linux kernel, the following vulnerability has been resolved: 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 access the top level file the "user" file and the mounter's credentials ar...

CVE-2026-46054 selinux: fix overlayfs mmap() and mprotect() access checks

In the Linux kernel, the following vulnerability has been resolved: 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 access the top level file the "user" file and the mounter's credentials ar...

CVE-2026-46009 PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown epfntbepcdestroy duplicates the teardown that the caller is supposed to do later. This leads to an oops when .allowlink fails or when .droplink is performed. Remove t...

CVE-2026-46002

The CVE affects the Linux kernel ext2 filesystem handling of inodes with i_nlink == 0 and a non-zero i_mode with zero i_dtime. A crafted image could present such an inode to the VFS, triggering WARN_ON in drop_nlink() via ext2_unlink(), ext2_rename(), and ext2_rmdir(). The fix extends the existin...

EUVD-2026-32298

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...

EUVD-2026-32295

In the Linux kernel, the following vulnerability has been resolved: erofs: fix unsigned underflow in zerofslz4handleoverlap Some crafted images can have illegal !partialdecoding && mllen out access reads past the decompressedpages array. However, such crafted cases can correctly result in a...