Linux Distros Unpatched Vulnerability : CVE-2026-52937

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to...

📄 OpenBSD mpls_do_error Stack Disclosure

OpenBSD suffers from an mplsdoerror remote kernel stack disclosure vulnerability via an MPLS label stack. ------------------------------------------------------------------------ OpenBSD mplsdoerror: Remote Kernel Stack Disclosure via MPLS Label Stack Over-read...

CVE-2026-56099

OpenBSD before commit 6a23123 2026-06-18 contains an out-of-bounds read vulnerability in the mplsdoerror function within sys/netmpls/mplsinput.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set...

CVE-2026-56099

OpenBSD before commit 6a23123 2026-06-18 contains an out-of-bounds read vulnerability in the mplsdoerror function within sys/netmpls/mplsinput.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set...

CVE-2026-56099: Out-of-bounds Read

OpenBSD before commit 6a23123 2026-06-18 contains an out-of-bounds read vulnerability in the mplsdoerror function within sys/netmpls/mplsinput.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set...

PT-2026-50785

Name of the Vulnerable Software and Affected Versions OpenBSD versions prior to commit 6a23123 Description An out-of-bounds read exists in the mpls do error function within sys/netmpls/mpls input.c. Remote attackers can disclose kernel stack memory by sending crafted MPLS frames containing 16...

CVE-2026-45250

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

PT-2026-52358

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An off-by-one error exists in the lowpan iphc mcast ctx addr compress function. The second memcpy operation incorrectly uses &data1 as the destination and &ipaddr-s6 addr11 as the source...

CVE-2026-46182: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Prevent kernel stack memory leak to userspace The hdr variable is allocated on the stack and only hdr.version and hdr.flags are initialized explicitly. Because the struct paprhvpipehdr contains reserved paddi...

CVE-2026-45250

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

CVE-2026-45250

The setcred(2) system call in the FreeBSD kernel is vulnerable to a stack buffer overflow . The vulnerability occurs because the kernel copies a user-supplied list of supplementary groups into a fixed-size kernel stack buffer without validating its length before checking the caller's privilege le...

EUVD-2026-31252

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

CVE-2026-45250 Stack buffer overflow via setcred(2)

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

FreeBSD Security Advisory - FreeBSD-SA-26:18.setcred

FreeBSD Security Advisory - The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the...

FreeBSD -- Stack buffer overflow via setcred(2)

Problem Description: The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied li...

Linux Distros Unpatched Vulnerability : CVE-2026-23404

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to...

SUSE CVE-2026-23404

In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system crashes. Reproducer: $ pf='a'; for i=...

CVE-2026-23404

A flaw was found in the Linux kernel's AppArmor security module. A local user could trigger a denial of service by initiating a recursive profile removal operation with deeply nested profiles. This recursive process can lead to kernel stack exhaustion, causing the system to crash...

CVE-2026-23404 apparmor: replace recursive profile removal with iterative approach

In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system crashes. Reproducer: $ pf='a'; for i=...

SUSE CVE-2026-23335

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix kernel stack leak in irdmacreateuserah struct irdmacreateahresp // 8 bytes, no padding u32 ahid; // offset 0 - SET uresp.ahid = ah-scah.ahinfo.ahidx u8 rsvd4; // offset 4 - NEVER SET - LEAK ; rsvd4: 4 bytes of sta...