RLSA-2025:15005 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: udp: Fix memory accounting leak. CVE-2025-22058 kernel: netsched: hfsc: Fix a potential UAF in hfscdequeue too CVE-2025-37823 kernel: ext4: only dirty folios when data journaling regular...

SUSE CVE-2022-50436

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set up encryption key during jbd2 transaction Commit a80f7fcf1867 "ext4: fixup ext4fctrack functions' signature" extended the scope of the transaction in ext4unlink too far, making it include the call to ext4findentry...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7795-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7795-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu Pro 22.04 LTS Realtime Kernel / Pro 24.04 LTS Realtime Kernel : Linux kernel (Real-time) vulnerabilities (USN-7799-1)

The remote Ubuntu Pro 22.04 LTS Realtime Kernel / Pro 24.04 LTS Realtime Kernel host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7799-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7797-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7797-1 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...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7796-1)

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-7796-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 22.04 LTS : Linux kernel (HWE) vulnerabilities (USN-7801-1)

"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7801-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

Ubuntu Pro 24.04 LTS Realtime Kernel : Linux kernel (Raspberry Pi Real-time) vulnerabilities (USN-7800-1)

"The remote Ubuntu Pro 24.04 LTS Realtime Kernel host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7800-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This...

SUSE CVE-2023-53450

In the Linux kernel, the following vulnerability has been resolved: ext4: remove a BUGON in ext4mbreleasegrouppa If a malicious fuzzer overwrites the ext4 superblock while it is mounted such that the sfirstdatablock is set to a very large number, the calculation of the block group can underflow,...

USN-7797-2: 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: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer; - BTRFS file system; - Ext4 file...

USN-7797-2 linux-aws, linux-lts-xenial 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: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer; - BTRFS file system; - Ext4 file...

USN-7796-3: Linux kernel (Azure) 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...

USN-7796-3 linux-azure 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...

USN-7796-2: Linux kernel (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...

USN-7796-2 linux-aws-fips, linux-fips, 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: - Framebuffer layer; - BTRFS file system; - Ext4 file system; - Network file system NFS server daemon; - Packet...

USN-7795-2: Linux kernel (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: - Ext4 file system; - Network file system NFS server daemon; - Packet sockets; - Network traffic control; - VMware...

USN-7795-2 linux-fips, 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: - Ext4 file system; - Network file system NFS server daemon; - Packet sockets; - Network traffic control; - VMware...

USN-7801-1: Linux kernel (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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7801-1 linux-hwe-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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7800-1: Linux kernel (Raspberry Pi Real-time) 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; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AMD CDX bus driver; - DP...