ext4: guard against EA inode refcount underflow in xattr update

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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 ...

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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990743)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990743 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k block filesystems Apparently syzbot figured out...

USN-7865-1 linux-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990126)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990126 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid cycles in directory h-tree A maliciously corrupted filesystem can contain cycles in t...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988841)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988841 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUGON:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988984 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in...

Astra Linux - уязвимость в u-boot

Das U-Boot versions 2019.07-rc1 through 2019.07-rc4 can double-free a cached block of data when listing files in a crafted ext4 filesystem...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7853-1)

"The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7853-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...

USN-7854-1 linux-kvm vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7819-2 linux-azure-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: - Network drivers; - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; -...

PT-2025-46755

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the ext4 filesystem implementation within the Linux kernel. Specifically, the parse apply sb mount options function may experience a buffer over-read due to insufficient...

SUSE-SU-2025:03628-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent...

USN-7796-4 linux-azure-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: - Framebuffer layer; - BTRFS file system; - Ext4 file system; - Network file system NFS server daemon; - Packet...

PT-2025-46642

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the ext4 filesystem handling. Specifically, an invalid combination of the INLINE DATA and EXTENTS flags within an inode can lead to a BUG ON condition...

Linux Distros Unpatched Vulnerability : CVE-2022-50465

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ext4: fix leaking uninitialized memory in fast-commit journal When space at the end of...

CVE-2023-53662 ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4fnamesetupfilename,preparelookup If the filename casefolding fails, we'll be leaking memory from the fscryptname struct, namely from the 'cryptobuf.name' member. Make sure we free it in the error pat...

EUVD-2025-32797

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory...

CVE-2022-50512

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4fcrecordregions As krealloc may return NULL, in this case 'state-fcregions' may not be freed by krealloc, but 'state-fcregions' already set NULL. Then will lead to 'state-fcregions' memory...