USN-7861-2: Linux kernel (Real-time) 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...

USN-7864-1: Linux kernel (GCP and GKE) 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...

USN-7860-2: Linux kernel (Real-time) vulnerability

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...

USN-7835-5: Linux kernel (Oracle) 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7863-1: Linux kernel 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...

USN-7862-1: Linux kernel vulnerability

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...

USN-7861-1: Linux kernel 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...

USN-7860-1: Linux kernel vulnerability

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...

USN-7859-1: Django vulnerabilities

It was discovered that Django incorrectly handled certain characters in queries. An attacker could possibly use this issue to execute arbitrary SQL commands...

USN-7858-1: poppler vulnerability

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a crash...

USN-7857-1: OpenStack Keystone vulnerability

Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens and s3tokens APIs. A remote attacker could possibly use this issue to obtain unauthorized access and escalate privileges...

USN-7851-1: runC vulnerabilities

Lei Wang and Li Fubang discovered that runC incorrectly handled masked paths. An attacker could possibly replace a container's /dev/null with a symlink to some other procfs file and possibly escape a container. CVE-2025-31133 Lei Wang and Li Fubang discovered that runC incorrectly handled the...

USN-7856-1: Linux kernel (HWE) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7829-6: 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: - GPU drivers; - Network drivers; - Netlink; CVE-2024-26700, CVE-2025-38727, CVE-2023-52593, CVE-2024-26896...

USN-7855-1: Unbound vulnerability

Yuxiao Wu, Yunyi Zhang, Baojun Liu, and Haixin Duan discovered that Unbound incorrectly handled certain promiscuous NS RRSets. A remote attacker could possibly use this issue to perform a domain hijack attack...

USN-7804-2: Squid vulnerability

USN-7804-1 fixed a vulnerability in Squid. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that Squid incorrectly handled certain long SNMP OIDs. A remote attacker could possibly use this issue...

USN-7849-1: libssh vulnerability

Philippe Antoine discovered that libssh did not properly manage memory when calculating a session id during the key exchange process. An attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service...

USN-7839-2: Google Guest Agent vulnerability

USN-7839-1 fixed vulnerabilities in Go Cryptography. This update provides the corresponding update in the Go Cryptography module included in Google Guest Agent. Original advisory details: Damien Tournoud, Patrick Dawkins, Vince Parker, and Jules Duvivier discovered that Go Cryptography incorrectl...

USN-7835-4: Linux kernel (HWE) 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7833-4: Linux kernel (GCP) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7853-2: Linux kernel (FIPS) 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...

USN-7854-1: Linux kernel (KVM) 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...

USN-7853-1: Linux kernel 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...

USN-7852-1: libxml2 vulnerability

It was discovered that libxslt, used by libxml2, incorrectly handled certain attributes. An attacker could use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This update adds a fix to libxml2 to mitigate the libxslt vulnerability...

USN-7850-1: Linux kernel 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...

USN-7848-1: AMD Microcode vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores. A local attacker could possibly use this issue to expose sensitive information. This update provides the updat...

USN-7847-1: GNU binutils vulnerabilities

It was discovered that GNU binutils incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. The attack is restricted to local execution. CVE-2025-11082 It was discovered that GNU binutils incorrectly handled certain inputs. An...

USN-7846-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these issues to cause the X Server to crash, leading to a denial of service, obtain sensitive information, or possibly execute arbitrary code...

USN-7844-1: YAML::Syck vulnerability

It was discovered that YAML::Syck did not properly handle parsing YAML files. An attacker could possibly use this issue to expose sensitive information...

USN-7845-1: Squid vulnerability

Leonardo Giovannini discovered that Squid failed to redact HTTP Authentication credentials in a default configuration. An attacker could possibly use this issue to obtain sensitive information...

USN-7843-1: Netty vulnerability

It was discovered that Netty did not properly handle user input. A remote attacker could possibly use this issue to forge arbitrary emails from a trusted server...

USN-7829-5: Linux kernel (Intel IoTG) 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: - GPU drivers; - Network drivers; - Netlink; CVE-2024-26700, CVE-2025-38727, CVE-2023-52593, CVE-2024-26896...

USN-7842-1: Radare2 vulnerability

It was discovered that Radare2 conntained a memory leak, resulting in performance degradation. An attacker could possibly use this issue to cause Radare2 to crash, resulting in a denial of service. CVE-2025-60358...

USN-7841-1: strongSwan vulnerability

Xu Biang discovered that the strongSwan client incorrectly handled EAP-MSCHAPv2 failure requests. If a user or automated system were tricked into connecting to a malicious server, a remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly...

USN-7840-1: Ruby vulnerabilities

It was discovered that the REXML module bunded into Ruby incorrectly handled parsing XML documents with repeated instances of certain characters. An attacker could possibly use this issue to cause REXML to consume excessive resources, leading to a denial of service. Ubuntu 18.04 LTS and Ubuntu...

USN-7829-4: Linux kernel (AWS) 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: - GPU drivers; - Network drivers; - Netlink; CVE-2024-26700, CVE-2025-38727, CVE-2023-52593, CVE-2024-26896...

USN-7833-3: Linux kernel (AWS) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7795-4: Linux kernel (Oracle) 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: - Ext4 file system; - Network file system NFS server daemon; - Packet sockets; - Network traffic control; - VMware...

USN-7839-1: Go Cryptography vulnerability

Damien Tournoud, Patrick Dawkins, Vince Parker, and Jules Duvivier discovered that Go Cryptography incorrectly handled public keys during SSH operations. An attacker could possibly use this issue to bypass authorization mechanisms...

USN-7838-1: fetchmail vulnerability

It was discovered that the fetchmail SMTP client incorrectly handled certain status code messages. An attacker controlling a malicious server could possibly use this issue to cause fetchmail to crash, resulting in a denial of service...

USN-7837-1: GStreamer Good Plugins vulnerability

Shaun Mirani discovered that GStreamer Good Plugins incorrectly handled certain malformed media files. An attacker could possibly use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service, or disclose sensitive information...

USN-7835-3: 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7829-3: 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: - GPU drivers; - Network drivers; - Netlink; CVE-2024-26700, CVE-2025-38727, CVE-2023-52593, CVE-2024-26896...

USN-7836-1: Bind vulnerabilities

Zuyao Xu and Xiang Li discovered that Bind incorrectly handled certain malformed DNSKEY records. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service. CVE-2025-8677 Yuxiao Wu, Yunyi Zhang, Baojun Liu, and Haixin Duan discovered that...

USN-7835-2: Linux kernel (Real-time) 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-1: 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7833-2: Linux kernel (Real-time) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7834-1: Linux kernel (Azure) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7833-1: Linux kernel vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7819-2: Linux kernel (Azure 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: - Network drivers; - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; -...