RLSA-2025:7956 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: dm-flakey: Fix memory corruption in optional corruptbiobyte feature CVE-2025-21966 kernel: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic CVE-2025-21993 For more...

USN-7585-6: Linux kernel (BlueField) vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. CVE-2025-2312 Several security issues were discovered in the Linux kernel. An...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7585-1)

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-7585-1 advisory. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when...

USN-7585-2 linux-aws-fips, linux-gcp-fips vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. CVE-2025-2312 Several security issues were discovered in the Linux kernel. An...

USN-7524-1: Linux kernel (Raspberry Pi) 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

Ubuntu 24.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-7524-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7524-1 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...

USN-7475-1: Linux kernel (Xilinx ZynqMP) vulnerabilities

Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or escalate their privileges. CVE-2022-0995 Several security issues were discovered i...

USN-7455-5: Linux kernel (AWS) vulnerabilities

Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or escalate their privileges. CVE-2022-0995 Several security issues were discovered i...