EUVD-2025-150374

In the Linux kernel, the following vulnerability has been resolved: Squashfs: reject negative file sizes in squashfsreadinode Syskaller reports a "WARNING in ovlcopyupfile" in overlayfs. This warning is ultimately caused because the underlying Squashfs file system returns a file with a negative...

EUVD-2025-150376

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid potential buffer over-read in parseapplysbmountoptions Unlike other strings in the ext4 superblock, we rely on tune2fs to make sure smountopts is NUL terminated. Harden parseapplysbmountoptions by treating smountopts ...

Siemens SCALANCE, SIMATIC S7-1500 Out-of-bounds Write (CVE-2022-1304)

An out-of-bounds read/write vulnerability was found in e2fsprogs 1.46.5. This issue leads to a segmentation fault and possibly arbitrary code execution via a specially crafted filesystem. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2024-56570)

In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovldentryweird function to prevent the processing of directory inodes that lack the lookup function.This is important because such inodes can cause errors...

CVE-2025-60685

A stack buffer overflow exists in the ToToLink A720R Router firmware V4.1.5cu.614B20230630 within the sysconf binary sub401EE0 function. The binary reads the /proc/stat file using fgets into a local buffer and subsequently parses the line using sscanf into a single-byte variable with the %s forma...

Siemens SIMATIC S7-1500 Deadlock (CVE-2023-52699)

In the Linux kernel, the following vulnerability has been resolved: sysv: don't call sbbread with pointerslock held syzbot is reporting sleep in atomic context in SysV filesystem 1, for sbbread is called with rwspinlock held. A writelock&pointerslock = readlock&pointerslock deadlock bug and a...

Linux Distros Unpatched Vulnerability : CVE-2025-40200

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Squashfs: reject negative file sizes in squashfsreadinode Syskaller reports a WARNING in ovlcopyupfile in overlayfs. This warning is ultimately caused because t...

CVE-2025-40200

In the Linux kernel, the following vulnerability has been resolved: Squashfs: reject negative file sizes in squashfsreadinode Syskaller reports a "WARNING in ovlcopyupfile" in overlayfs. This warning is ultimately caused because the underlying Squashfs file system returns a file with a negative...

AZL-70067 CVE-2025-40198 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid potential buffer over-read in parseapplysbmountoptions Unlike other strings in the ext4 superblock, we rely on tune2fs to make sure smountopts is NUL terminated. Harden parseapplysbmountoptions by treating smountopts ...

CVE-2025-40190

In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where ext4xattrinodeupdateref reads an EA inode refcount that is already ref underflow: refcount=-1 refchange=-1 EXT4-fs warning: eainode dec...

CVE-2025-40198

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid potential buffer over-read in parseapplysbmountoptions Unlike other strings in the ext4 superblock, we rely on tune2fs to make sure smountopts is NUL terminated. Harden parseapplysbmountoptions by treating smountopts ...

CVE-2025-40196

CVE-2025-40196 concerns the Linux kernel quota subsystem. A writeback-triggered flush could trigger a kernel panic due to MEM_RECLAIM flag mismatch when quota_release_work runs on the non MEM_RECLAIM queue. The patch adds a dedicated workqueue with the WQ_MEM_RECLAIM flag for quota_release_work t...

CVE-2025-40190

CVE-2025-40190 affects the Linux kernel ext4: EA inode refcount underflow during xattr updates. The root cause is in ext4_xattr_inode_update_ref(), where a non-positive refcount could be decremented (ref_change -1), leading to underflow and errors. The fix enforces that if the current refcount is...

CVE-2025-40190

In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where ext4xattrinodeupdateref reads an EA inode refcount that is already ref underflow: refcount=-1 refchange=-1 EXT4-fs warning: eainode dec...

USN-7835-6: Linux kernel (AWS) 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-6 linux-aws-6.8 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

AZL-69992 CVE-2025-40167 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesystem mounted without a journal. The issue is that the filesystem has an...

CVE-2025-40125

In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject stateinsysfs before deleting in blkmqunregisterhctx In blkmqupdatenrhwqueues the return value of blkmqsysfsregisterhctxs is not checked. If sysfs creation for hctx fails, later changing the number of hwqueue...

UBUNTU-CVE-2025-40167

In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesystem mounted without a journal. The issue is that the filesystem has an...

CVE-2025-40167 ext4: detect invalid INLINE_DATA + EXTENTS flag combination

In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesystem mounted without a journal. The issue is that the filesystem has an...