Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 In the Linu...

CLSA-2026-1779200965 Fix CVE(s): CVE-2026-31532, CVE-2026-46300, CVE-2026-46333

CVE-2026-46333 - ptrace: require CAPSYSPTRACE when task has no mm CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths CVE-2026-31532 - can: raw: fix ro-uniq use-after-free in rawrcv CVE-2026-31532...

Advisory ROSA-SA-2026-3294

CVE-ID: CVE-2026-46300 BDU-ID: None CVE-Crit: Not available CVE-DESCRIPTION: A vulnerability in the XFRM ESP-in-TCP subsystem of the Linux kernel. A logical error occurs when transitioning a TCP socket to the espintcp mode after writing file data to the receive queue. The kernel processes file...

Advisory ROSA-SA-2026-3293

CVE-ID: CVE-2026-46300 BDU-ID: None CVE-Crit: Not available CVE-DESCRIPTION: A vulnerability in the XFRM ESP-in-TCP subsystem of Linux kernels. A logical error occurs when transitioning a TCP socket to the espintcp mode after writing file data to the receive queue. The kernel processes file pages...

Advisory ROSA-SA-2026-3292

CVE-ID: CVE-2026-46300 BDU-ID: None CVE-Crit: Not available CVE-DESCRIPTION: A vulnerability in the XFRM ESP-in-TCP subsystem of Linux kernels. A logical error occurs when transitioning a TCP socket to the espintcp mode after writing file data to the receive queue. The kernel processes file pages...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50279)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50279 advisory. 6.12.0-202.76.4.3 - ptrace: slightly saner 'getdumpable' logic Linus Torvalds Orabug: 39391434 CVE-2026-46333 Tenable has extracted the preceding...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50280)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50280 advisory. - ptrace: slightly saner 'getdumpable' logic Linus Torvalds Orabug: 39391447 CVE-2026-46333 - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache Jeff...

CVE-2026-45253

ptracePTSCREMOTE failed to properly validate parameters for the syscall2 and syscall2 meta-system calls. As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges. The missing validation allows ...

CVE-2026-45253

The FreeBSD operating system contains a privilege escalation vulnerability in the ptrace(2) system call. Specifically, ptrace(PT_SC_REMOTE) fails to properly validate parameters for the syscall(2) and __syscall(2) meta-system calls. This missing validation allows an unprivileged local user with t...

EUVD-2026-31257

ptracePTSCREMOTE failed to properly validate parameters for the syscall2 and syscall2 meta-system calls. As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges. The missing validation allows ...

CVE-2026-45253 Missing validation in ptrace(PT_SC_REMOTE)

ptracePTSCREMOTE failed to properly validate parameters for the syscall2 and syscall2 meta-system calls. As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges. The missing validation allows ...

CVE-2026-45253

ptracePTSCREMOTE failed to properly validate parameters for the syscall2 and syscall2 meta-system calls. As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges. The missing validation allows ...

9-Year-Old Linux Kernel Flaw Enables Root Command Execution on Major Distros

Cybersecurity researchers have disclosed details of a vulnerability in the Linux kernel that remained undetected for nine years. The vulnerability, tracked as CVE-2026-46333 CVSS score: 5.5, is a case of improper privilege management that could permit an unprivileged local user to disclose...

PT-2026-42402

Name of the Vulnerable Software and Affected Versions cap net service affected versions not specified Description An issue exists in the cap net service where omitting a key from a new limit that was present in the old limit causes the missing key to be treated as allow any instead of being...

FreeBSD 缓冲区错误漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. FreeBSD has a buffer error vulnerability, which stems from ptracePTSCREMOTE failing to properly validate the parameters of syscall2 and syscall2 system calls. This vulnerability may allow users with debugging capabilitie...

CVE-2026-45253: Out-of-bounds Write

ptracePTSCREMOTE failed to properly validate parameters for the syscall2 and syscall2 meta-system calls. As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges. The missing validation allows ...

PT-2026-42403

Name of the Vulnerable Software and Affected Versions FreeBSD bsdinstall/bsdconfig affected versions not specified Description When bsdinstall or bsdconfig are prompted to scan for nearby Wi-Fi networks, they compile a list of network names and use the bsddialog1 function to prompt the user for...

PT-2026-42400

Name of the Vulnerable Software and Affected Versions fusefs affected versions not specified Description When a fusefs file system implements extended attributes, the kernel may send a FUSE LISTXATTR message to the userspace daemon to retrieve the list of extended attributes for a file. The FUSE...

PT-2026-42399

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A use-after-free issue exists where a file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Since the blocked thread does not ho...

MiracleLinux 9 : kernel-5.14.0-611.54.6.el9_7 (AXSA:2026-692:35)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-692:35 advisory. kernel: net: skbuff: propagate shared-frag marker through frag-transfer helpers CVE-2026-46300 kernel: ptrace: require CAPSYSPTRACE when task has no ...