UBUNTU-CVE-2025-40271

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

CVE-2025-40287

In the Linux kernel, the following vulnerability has been resolved: exfat: fix improper check of dentry.stream.validsize We found an infinite loop bug in the exFAT file system that can lead to a Denial-of-Service DoS condition. When a dentry in an exFAT filesystem is malformed, the following syst...

CVE-2025-40273 NFSD: free copynotify stateid in nfs4_free_ol_stateid()

In the Linux kernel, the following vulnerability has been resolved: NFSD: free copynotify stateid in nfs4freeolstateid Typically copynotify stateid is freed either when parent's stateid is being close/freed or in nfsd4laundromat if the stateid hasn't been used in a lease period. However, in case...

CVE-2025-40271 fs/proc: fix uaf in proc_readdir_de()

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

CVE-2025-40271

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

CVE-2025-40271 fs/proc: fix uaf in proc_readdir_de()

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

CVE-2025-40271

CVE-2025-40271 affects the Linux kernel fs/proc code. The vulnerability arises in proc_readdir_de() where a node erased from the subdir red-black tree is not cleared (RB_CLEAR_NODE), leaving the pde_subdir_next() path able to return a freed node (UAF). Affected code path: proc_readdir(), pde_get(...

CVE-2025-40268

In the Linux kernel, the following vulnerability has been resolved: cifs: client: fix memory leak in smb3fscontextparseparam The user calls fsconfig twice, but when the program exits, free only frees ctx-source for the second fsconfig, not the first. Regarding fc-source, there is no code in the f...

erofs: Fix detection of atomic context

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Linux kernel 安全漏洞

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 the Linux kernel that stems from smb3fscontextparseparam not properly freeing memory, which could lead to a memory leak...

Linux kernel 安全漏洞

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 the Linux kernel that stems from fs proc not properly cleaning up nodes in procreaddirde, which could lead to reuse after release...

nitro-tpm-pcr-compute may allow kernel command line modification by an account operator

Summary Adding default PCR12 validation to ensure that account operators can not modify kernel command line parameters, potentially bypassing root filesystem integrity validation. Attestable AMIs are based on the systemd Unified Kernel Image UKI concept which uses systemd-boot to create a single...

GHSA-XRV8-2PF5-F3Q7 nitro-tpm-pcr-compute may allow kernel command line modification by an account operator

Summary Adding default PCR12 validation to ensure that account operators can not modify kernel command line parameters, potentially bypassing root filesystem integrity validation. Attestable AMIs are based on the systemd Unified Kernel Image UKI concept which uses systemd-boot to create a single...

CVE-2025-40233

In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags. This triggers a BUGON in...

CVE-2025-40243

In the Linux kernel, the following vulnerability has been resolved: hfs: fix KMSAN uninit-value issue in hfsfindsetzerobits The syzbot reported issue in hfsfindsetzerobits: ===================================================== BUG: KMSAN: uninit-value in hfsfindsetzerobits+0x74d/0xb60...

SUSE CVE-2025-40235

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

Linux Distros Unpatched Vulnerability : CVE-2025-40237

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/notify: call exportfsencodefid with sumount Calling intotifyshowfdinfo on fd watching an overlayfs inode, while the overlayfs is being unmounted, can lead to...

CVE-2025-40265

In the Linux kernel, the following vulnerability has been resolved: vfat: fix missing sbminblocksize return value checks When emulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, but without format, a kernel panic was triggered during the early boot stag...

CVE-2025-40243

In the Linux kernel, the following vulnerability has been resolved: hfs: fix KMSAN uninit-value issue in hfsfindsetzerobits The syzbot reported issue in hfsfindsetzerobits: ===================================================== BUG: KMSAN: uninit-value in hfsfindsetzerobits+0x74d/0xb60...

CVE-2025-40246

In the Linux kernel, the following vulnerability has been resolved: xfs: fix out of bounds memory read error in symlink repair xfs/286 produced this report on my test fleet: ================================================================== BUG: KFENCE: out-of-bounds read in memcpyorig+0x54/0x110...