Thinking Outside The Box [dusted off draft from 2017]

Posted by Jann Horn Preface Hello from the future! This is a blogpost I originally drafted in early 2017. I wrote what I intended to be the first half of this post about escaping from the VM to the VirtualBox host userspace process with CVE-2017-3558, but I never got around to writing the second...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-7930-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7930-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7935-1 linux-azure, linux-azure-6.8 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

GO-2025-4222 CNA Plugins Portmap nftables backend can intercept non-local traffic in github.com/containernetworking/plugins

CNA Plugins Portmap nftables backend can intercept non-local traffic in github.com/containernetworking/plugins...

USN-7930-2: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - MTD block device drivers;...

USN-7930-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - MTD block device drivers;...

USN-7930-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - MTD block device drivers;...

OESA-2025-2831 glib-networking security update

glib-networking contains the implementations of certain GLib networking features that cannot be implemented directly in GLib itself because of their dependencies. Security Fixes: glib-networking s OpenSSL backend fails to properly check the return value of memory allocation routines. An out of...

OESA-2025-2832 glib-networking security update

glib-networking contains the implementations of certain GLib networking features that cannot be implemented directly in GLib itself because of their dependencies. Security Fixes: glib-networking s OpenSSL backend fails to properly check the return value of memory allocation routines. An out of...

OESA-2025-2830 glib-networking security update

glib-networking contains the implementations of certain GLib networking features that cannot be implemented directly in GLib itself because of their dependencies. Security Fixes: glib-networking s OpenSSL backend fails to properly check the return value of memory allocation routines. An out of...

CVE-2025-67726

Tornado is a Python web framework and asynchronous networking library. Versions 6.5.2 and below use an inefficient algorithm when parsing parameters for HTTP header values, potentially causing a DoS. The parseparam function in httputil.py is used to parse specific HTTP header values, such as thos...

CVE-2025-67725

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation...

CVE-2025-67724

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

mysql: DML unspecified vulnerability (CPU Oct 2025)

Vulnerability in the MySQL Server product of Oracle MySQL component: Server: DML. Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL...

CVE-2025-67499

The CNI portmap plugin allows containers to emulate opening a host port, forwarding that traffic to the container. Versions 1.6.0 through 1.8.0 inadvertently forward all traffic with the same destination port as the host port when the portmap plugin is configured with the nftables backend, thus...

EUVD-2023-60171

In the Linux kernel, the following vulnerability has been resolved: kcm: Fix error handling for SOCKDGRAM in kcmsendmsg. syzkaller found a memory leak in kcmsendmsg, and commit c821a88bd720 "kcm: Fix memory leak in error path of kcmsendmsg" suppressed it by updating kcmtxmsghead-lastskb if partia...

UBUNTU-CVE-2025-40337

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Correctly handle Rx checksum offload errors The stmmacrx function would previously set skb-ipsummed to CHECKSUMUNNECESSARY if hardware checksum offload CoE was enabled and the packet was of a known IP ethertype...

CVE-2023-53785

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: don't assume adequate headroom for SDIO headers mt7921usbsdiotxprepareskb calls mt7921usbsdiowritetxwi and mt7921skbaddusbsdiohdr, both of which blindly assume that adequate headroom will be available in the passed...

SUSE CVE-2025-40297

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

Oracle Linux 10 : kernel (ELSA-2025-22854)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-22854 advisory. - iommu/vt-d: Disallow dirty tracking if incoherent page walk CKI Backport Bot RHEL-125482 CVE-2025-40058 - net/mlx5: fs, fix UAF in flow counter...