kernel: nvme: add missing SRCU grace period in error path

A flaw was found in the NVMe Non-Volatile Memory Express driver of the Linux kernel. The nvmeallocns function's error handling path fails to wait for all SRCU Sleepable Read-Copy Update readers to complete before freeing a namespace structure. This oversight allows a concurrent reader to access a...

kernel: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express input/output control ioctl handling. An unprivileged local user could exploit this vulnerability by bypassing access checks in the NVMEIOCTLSUBMITIO function. This allows them to perform unauthorized I/O operations on a...

kernel: nvme-tcp: fix host memory disclosure on R2T for a read command

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express over TCP nvme-tcp component. A malicious NVMe controller can exploit this vulnerability by sending a Ready to Transfer R2T command for a read request. The host system, failing to properly validate the request direction, will...

kernel: nvme-pci: fix mempool alloc size

A flaw was addressed in the Linux kernel’s nvme-pci driver related to how the driver calculated the worst-case number of PRP Physical Region Page lists required for a given I/O request. The implementation previously rounded the allocation to one list instead of correctly converting the maximum si...

kernel: nvme: add missing SRCU grace period in error path

A flaw was found in the NVMe Non-Volatile Memory Express driver of the Linux kernel. The nvmeallocns function's error handling path fails to wait for all SRCU Sleepable Read-Copy Update readers to complete before freeing a namespace structure. This oversight allows a concurrent reader to access a...

kernel: nvme-tcp: fix host memory disclosure on R2T for a read command

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express over TCP nvme-tcp component. A malicious NVMe controller can exploit this vulnerability by sending a Ready to Transfer R2T command for a read request. The host system, failing to properly validate the request direction, will...

kernel: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express input/output control ioctl handling. An unprivileged local user could exploit this vulnerability by bypassing access checks in the NVMEIOCTLSUBMITIO function. This allows them to perform unauthorized I/O operations on a...

kernel: nvme-pci: fix mempool alloc size

A flaw was addressed in the Linux kernel’s nvme-pci driver related to how the driver calculated the worst-case number of PRP Physical Region Page lists required for a given I/O request. The implementation previously rounded the allocation to one list instead of correctly converting the maximum si...

CVE-2026-89972

A flaw was found in the NVMe Non-Volatile Memory Express driver of the Linux kernel. The nvmeallocns function's error handling path fails to wait for all SRCU Sleepable Read-Copy Update readers to complete before freeing a namespace structure. This oversight allows a concurrent reader to access a...

CVE-2023-5178

CVE-2023-5178 다음에 대한 익스플로잇: CVE-2023-5178: NVMe-oF-TCP 취약점, 이는 손상된 Initialize Connection Request를 처리하는 과정에서 NVMe-oF-TCP 드라이버의 논리 오류입니다. 이로 인해 kmalloc-96에서 레이스 조건에 의한 이중 해제double-free가 발생하며, LPE를 획득하는 데 악용될 수 있습니다아래 데모 참조. 익스플로잇은 6.5.0-9-generic 커널이 탑재된 Ubuntu 23.10영향을 받는 최신 커널 버전을 대상으로 합니다. 이전 v6...

kernel: nvmet-auth: reject short AUTH_RECEIVE buffers

A flaw was found in the nvmet-auth component of the Linux kernel. A remote attacker, by sending a specially crafted AUTHRECEIVE buffer to an NVMe-oF NVM Express over Fabrics target with in-band authentication enabled, can trigger a heap out-of-bounds write. This vulnerability arises because the...

CVE-2021-3929-3947

CVE-2021-3929-3947 CVE-2021-3929 및 CVE-2021-3947에 대한 VM 탈출 PoC입니다. 교육 목적으로만 사용하세요. 자세한 내용은 백서 를 참조하세요. 환경 OS: Ubuntu 21.10 Linux: 5.13.0 gcc: 11.2.0 glibc: 2.34 glib: 2.68.4 QEMU: 6.1.0 Guest OS: Ubuntu 21.04 명령어 호스트 qemu-system-x8664 run -machine type=q35,accel=kvm -cpu host \ -m 2G -hda...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1780133416)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1780133416 advisory. - In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: fix possible use-after-free in transport errorrecovery...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_13578)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202613578 advisory. kernel: nvme: avoid double free special payload CVE-2024-41073 kernel: net: qlogic/qede: fix potential out-of-bounds read in qedetpacont and qedetpaend...

Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_72624)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202672624 advisory. kernel: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 CVE-2026-46076 kernel: ext4: fix e4b bitmap inconsistency reports CVE-2026-459...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2023_7548)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20237548 advisory. kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe CVE-2023-2163 kernel: tun: bugs for oversize packet whe...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

ROS-20260930-73-0143

The vulnerability in the drivers/nvme/host/fc.c module of the Linux operating system is related to the improper shutdown or release of resources. Exploiting this vulnerability can allow an attacker to cause service failures...

Oracle Linux 8 : kernel (ELSA-2026-71329)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-71329 advisory. - pppoe: reload header pointer after devhardheader Guillaume Nault RHEL-237293 CVE-2026-68121 - nvme-tcp: reject a read that transferred too few bytes...

RockyLinux 10 : kernel (RLSA-2026:72624)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:72624 advisory. kernel: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 CVE-2026-46076 kernel: ext4: fix e4b bitmap inconsistency reports CVE-2026-459...