Linux Distros Unpatched Vulnerability : CVE-2026-53328

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes +cpu +memory +pids to its own subtreecontrol...

CVE-2026-53328

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

UBUNTU-CVE-2026-53328

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

EUVD-2026-40962

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

CVE-2026-53328 sched_ext: Don't warn on NULL cgrp_moving_from in scx_cgroup_move_task()

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

netfilter: nft_exthdr: fix register tracking for F_PRESENT flag

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OPENSUSE-SU-2026:21057-1 Security update for libssh2_org

This update for libssh2org fixes the following issues - CVE-2026-55199: pre-Authentication DoS via SSHMSGEXTINFO Handler bsc1268530. - CVE-2026-55200: out-of-Bounds write via Unchecked packetlength in transport.c bsc1268531...

EUVD-2026-39313

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix resource freeing order Commit a60fc3294a37 "ptp: rework ptpclockunregister to disable events" added a call to ptpdisableallevents which changes the configuration of pins if they support EXTTS events. In ptpocpdetach...

CVE-2026-52959

The CVE-2026-52959 issue affects the Linux kernel SEV guest module. During an extended guest request (SVM_VMGEXIT_EXT_GUEST_REQUEST), get_ext_report() allocates a buffer for a host certificate blob and stores its size in report_req->certs_len. The host may return SNP_GUEST_VMM_ERR_INVALID_LEN ...

CVE-2026-10645 Out-of-bounds read in Zephyr ext2 directory entry traversal from a crafted filesystem image

The Zephyr ext2 filesystem driver subsys/fs/ext2 trusted the on-disk directory entry fields dereclen and denamelen when walking a directory block. ext2fetchdirentry guarded only with denamelen EXT2MAXFILENAME, but denamelen is a uint8t and EXT2MAXFILENAME is 255, so the check is always false; the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed errors caused by “off-by-one” values when filling blocks with tlv entries during fast-commit operations. Due to several “off-by-one” errors, or perhaps due to a late change in design that wasn’t fully reflected in...

CVE-2026-55199

libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSHMSGEXTINFO handler in src/packet.c that allows a malicious SSH server to cause a client CPU exhaustion loop by sending a crafted extension count value. A malicious server can s...

EUVD-2025-210150

A heap buffer overflow in the gfisomvpconfignew function isomedia/avcext.c of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service DoS via supplying a crafted MP4 file...

CVE-2025-55652

A heap buffer overflow in the gfisomvpconfignew function isomedia/avcext.c of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service DoS via supplying a crafted MP4 file...

GHSA-2GR4-PPC7-7MHX CodeIgniter4 has a validation bypass when uploading file extensions via `ext_in` rule

Impact The extin upload validation rule checked the MIME-derived guessed extension instead of the client-provided filename extension. As a result, an uploaded file named shell.php containing GIF-like content could pass validation such as:...

CVE-2026-11986

CVE-2026-11986 involves the Keycloak admin-ui-ext component. The root cause is that certain bulk role-removal endpoints do not perform granular permission checks when deleting role mappings, enabling a delegated administrator with limited permissions to remove highly privileged roles from other u...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7461-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7461-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

CVE-2026-46279

In the Linux kernel, the following vulnerability has been resolved: mm/alloctag: clear codetag for pages allocated before pageext initialization Due to initialization ordering, pageext is allocated and initialized relatively late during boot. Some pages have already been allocated and freed befor...

CVE-2026-46279 mm/alloc_tag: clear codetag for pages allocated before page_ext initialization

In the Linux kernel, the following vulnerability has been resolved: mm/alloctag: clear codetag for pages allocated before pageext initialization Due to initialization ordering, pageext is allocated and initialized relatively late during boot. Some pages have already been allocated and freed befor...

EUVD-2026-35144

In the Linux kernel, the following vulnerability has been resolved: mm/alloctag: clear codetag for pages allocated before pageext initialization Due to initialization ordering, pageext is allocated and initialized relatively late during boot. Some pages have already been allocated and freed befor...