CVE-2026-23316

CVE-2026-23316 – Linux kernel ARM64 multipath hash seed alignment fix . The issue arises in the ARM64 Linux kernel when reading the 8-byte struct sysctl_fib_multipath_hash_seed (user_seed and mp_seed) atomically with READ_ONCE(). Under Clang+LTO, this full-structure read emits a 64-bit load-acqui...

USN-5951-1 linux-ibm, linux-ibm-5.4 vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5935-1 linux-ibm, linux-raspi vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5934-1 linux-raspi vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5917-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4 vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...