EUVD-2025-201218

In the Linux kernel, the following vulnerability has been resolved: erofs: fix crafted invalid cases for encoded extents Robert recently reported two corrupted images that can cause system crashes, which are related to the new encoded extents introduced in Linux 6.15: - The first one 1 has plen !...

CVE-2025-40237

In the Linux kernel, the following vulnerability has been resolved: fs/notify: call exportfsencodefid with sumount Calling intotifyshowfdinfo on fd watching an overlayfs inode, while the overlayfs is being unmounted, can lead to dereferencing NULL ptr. This issue was found by syzkaller. Race...

CVE-2025-40233

In CVE-2025-40233, the Linux kernel OCFS2 subsystem fixes a stale extent map cache that can occur during reflinked extent moves/defrag, triggering BUG_ON in ocfs2_refcount_cal_cow_clusters(). The issue arises when copy_file_range() creates a reflinked extent with OCFS2_EXT_REFCOUNTED, then FITRIM...

CVE-2025-40233 ocfs2: clear extent cache after moving/defragmenting extents

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The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags.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...

EUVD-2025-201186

In the Linux kernel, the following vulnerability has been resolved: pidfs: validate extensible ioctls Validate extensible ioctls stricter than we do now...

kernel: NFSD: Protect against send buffer overflow in NFSv2 READ

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READ Since before the git era, NFSD has conserved the number of pages held by each nfsd thread by combining the RPC receive and send buffers into a single array of pages. This...

kernel: NFS: Fix a race when updating an existing write

A flaw use after free in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

USN-7907-4 linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...

USN-7907-4: Linux kernel (GCP FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...

USN-7907-3: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...

USN-7907-3 linux-gcp, linux-gcp-4.15, linux-hwe vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...

USN-7911-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SCSI subsystem; - JFS file system; CVE-2023-52975, CVE-2024-56596...

USN-7909-2 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

USN-7909-1 linux, linux-aws, linux-aws-5.15, linux-gcp-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle, linux-oracle-5.15, linux-xilinx-zynqmp vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

Exploit for CVE-2025-55182

CVE-2025-55182 React Server Components RCE Testing This repo e...

The vulnerability of the f2fs component of the Linux operating system’s kernel allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the f2fs component of the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

Ubuntu 25.10 : Linux kernel vulnerabilities (USN-7906-1)

The remote Ubuntu 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7906-1 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 the...

Oracle Linux 10 : kernel (ELSA-2025-21463)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-21463 advisory. - fs/smb: Fix inconsistent refcnt update Paulo Alcantara RHEL-124955 CVE-2025-39819 - tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. Antoine Tenart...