8222 matches found
USN-5465-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 Aaron Adams discovered that the netfilter subsystem in the Linux...
USN-5315-1 ansible vulnerabilities
It was discovered that Ansible did not properly manage directory permissions when running playbooks with an unprivileged become user. A local attacker could possibly use this issue to cause a race condition, escalate privileges and execute arbitrary code. This issue only affected Ubuntu 16.04 ESM...
USN-5443-2 linux-gcp-5.13, linux-oracle, linux-oracle-5.13 vulnerabilities
Kyle Zeng discovered that the Network Queuing and Scheduling subsystem of the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...
USN-5416-1 linux-oem-5.14 vulnerabilities
Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not properly perform guest page table updates in some situations. An attacker in a guest vm could possibly use this to crash the host OS. CVE-2022-1158 It was discovered that the implementation ...
USN-5270-1 mysql-5.7, mysql-8.0 vulnerabilities
Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.28 in Ubuntu 20.04 LTS and Ubuntu 21.10. Ubuntu 18.04 LTS has been updated to MySQL 5.7.37. In addition to security fixes, the updated packages...
USN-5257-1 ldns vulnerabilities
It was discovered that ldns incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. CVE-2020-19860, CVE-2020-19861...
USN-5226-1 systemd vulnerability
It was discovered that systemd-tmpfiles employed uncontrolled recursion when removing deeply nested directory hierarchies. A local attacker could exploit this to cause systemd-tmpfiles to crash or have other unspecified impacts...
USN-5217-1 linux-oem-5.14 vulnerabilities
It was discovered that the NFS server implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-4090 It was discovered that the eBPF implementation in th...
USN-5210-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities
Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. CVE-2021-4002 It was discovered that the Linux kernel did not properly...
USN-5175-1 ntp vulnerability
It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause ntpd to crash resulting in a denial of service...
USN-5071-3 linux-raspi, linux-raspi-5.4 vulnerabilities
It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute...
USN-5058-1 thunderbird vulnerabilities
It was discovered that Thunderbird didn't ignore IMAP server responses prior to completion of the STARTTLS handshake. A person-in-the-middle could potentially exploit this to trick Thunderbird into showing incorrect information. CVE-2021-29969 Multiple security issues were discovered in...
USN-4946-1 linux, linux-aws, lnux-aws-hwe, linux-azure, inux-azure-4.15, linux-dell300x, linux-gcp, linux-hwe, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that the DRM subsystem in the Linux kernel contained double-free vulnerabilities. A privileged attacker could possibly use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-20292 Olivier Benjamin, Norbert Manthey, Martin Mazein, and Jan ...
USN-4816-1 game-music-emu vulnerability
It was discovered that game-music-emu mishandled certain crafted input. A remote attacker could use this vulnerability to cause game-music-emu to crash...
USN-4582-1 vim vulnerabilities
It was discovered that Vim incorrectly handled permissions on the .swp file. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS. CVE-2017-17087 It was discovered that Vim incorrectly handled restricted mode. A local attacker...
USN-4485-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
Timothy Michaud discovered that the i915 graphics driver in the Linux kernel did not properly validate user memory locations for the i915gemexecbuffer2ioctl. A local attacker could possibly use this to cause a denial of service or execute arbitrary code. CVE-2018-20669 It was discovered that the...
USN-4419-1 linux, linux-lts-xenial, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that a race condition existed in the Precision Time Protocol PTP implementation in the Linux kernel, leading to a use-after- free vulnerability. A local attacker could possibly use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-10690...
USN-4342-1 linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerabilities
Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2020-11884 It was discovered that t...
USN-4170-3 whoopsie regression
USN-4170-1 fixed a vulnerability in Whoopsie and USN-4170-2 fixed a subsequent regression. That update was incomplete and could still result in Whoopsie potentially crashing when uploading crash reports on some architectures. This update fixes the problem. We apologize for the inconvenience...
USN-3845-2 freerdp vulnerabilities
USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10. Original advisory details: Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP...
USN-3932-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that a race condition existed in the f2fs file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service. CVE-2017-18249 Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadat...
USN-3619-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
Jann Horn discovered that the Berkeley Packet Filter BPF implementation in the Linux kernel improperly performed sign extension in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-16995 It was discovered that a...
USN-3618-1 libvncserver vulnerability
It was discovered that LibVNCServer incorrectly handled certain packet lengths. A remote attacker able to connect to a LibVNCServer could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code...
USN-3409-1 fontforge vulnerabilities
It was discovered that FontForge was vulnerable to a heap-based buffer over-read. A remote attacker could use a crafted file to DoS or execute arbitrary code. CVE-2017-11568, CVE-2017-11569, CVE-2017-11572 It was discovered that FontForge was vulnerable to a stack-based buffer overflow. A remote...
USN-3368-1 libiberty vulnerabilities
It was discovered that libiberty incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause libiberty to crash, resulting in a denial of service, or possibly execute arbitrar...
USN-3354-1 apport vulnerability
Felix Wilhelm discovered a path traversal vulnerability in Apport when handling the ExecutablePath field in crash files. An attacker could trick a user into opening a specially crafted crash file and execute arbitrary code with the user's privileges...
USN-3092-1 samba vulnerability
Stefan Metzmacher discovered that Samba incorrectly handled certain flags in SMB2/3 client connections. A remote attacker could use this issue to disable client signing and impersonate servers by performing a machine-in-the-middle attack. Samba has been updated to 4.3.11 in Ubuntu 14.04 LTS and...
USN-3039-1 python-django vulnerability
It was discovered that Django incorrectly handled the admin's add/change related popup. A remote attacker could possibly use this issue to perform a cross-site scripting attack...
USN-3026-2 libusbmuxd vulnerability
It was discovered that libusbmuxd incorrectly handled socket permissions. A remote attacker could use this issue to access services on iOS devices, contrary to expectations...
USN-3016-4 linux-lts-xenial vulnerabilities
USN-3016-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not...
USN-2947-2 linux-lts-wily vulnerabilities
Ralf Spenneberg discovered that the usbvision driver in the Linux kernel did not properly validate the interfaces and endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7833 Venkatesh Pottem discovered a use-after-free...
USN-2438-1 nvidia-graphics-drivers-304, nvidia-graphics-drivers-304-updates, nvidia-graphics-drivers-331, nvidia-graphics-drivers-331-updates vulnerabilities
It was discovered that the NVIDIA graphics drivers incorrectly handled GLX indirect rendering support. An attacker able to connect to an X server, either locally or remotely, could use these issues to cause the X server to crash or execute arbitrary code resulting in possible privilege escalation...
USN-8846-1 libheif vulnerabilities
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain compressed metadata. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. CVE-2026-84384 Yuqi Qiu and Xiang Li discovered that libheif...
USN-8804-1 openssh vulnerabilities
Florian Kohnhäuser discovered that OpenSSH incorrectly handled shell metacharacters in certain usernames. An attacker could possibly use this issue to execute arbitrary commands when certain non-default configurations were used, resulting in arbitrary code execution. This issue only affected Ubun...
USN-8620-2 linux-azure-fips vulnerabilities
Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...
USN-8615-1 linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-hwe-5.4, linux-iot, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities
It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...
USN-8568-1 linux-oem-7.0 vulnerabilities
It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...
USN-8529-1 linux, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp-4.15, linux-gcp-fips, linux-kvm, linux-oracle vulnerabilities
It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...
USN-8487-1 curl vulnerabilities
Andrew Nesbitt discovered that curl could reuse an existing live connection during STARTTLS-based connection upgrades even when the TLS configuration did not match. A remote attacker could possibly use this issue to cause curl to use an unintended TLS configuration. CVE-2026-8286 Muhamad Arga...
USN-8412-3 qemu regression
USN-8412-1 fixed vulnerabilities QEMU. On Ubuntu 20.04 LTS, the fix for CVE-2024-4467 was incomplete and prevented the creation of boot volumes from qcow2 images. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Felipe Franciosi, Raphael Norwitz, and...
USN-8476-1 xrdp vulnerabilities
It was discovered that xrdp incorrectly handled bounds checking when processing user domain information during the connection sequence. An unauthenticated remote attacker could use this issue to cause xrdp to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-8472-1 containerd-app vulnerabilities
It was discovered that containerd incorrectly handled HTTP/2 SETTINGS frames. A remote attacker could possibly use this issue to cause containerd to enter an infinite loop, resulting in a denial of service. CVE-2026-33814 Jakub Ciolek and Kyle Elliott discovered that containerd incorrectly handle...
USN-8473-1 containerd-stable vulnerabilities
It was discovered that containerd incorrectly handled HTTP/2 SETTINGS frames. A remote attacker could possibly use this issue to cause containerd to enter an infinite loop, resulting in a denial of service. CVE-2026-33814 Jakub Ciolek and Kyle Elliott discovered that containerd incorrectly handle...
USN-8388-2 linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerabilities
It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...
USN-8447-2 lxd vulnerabilities
USN-8447-1 fixed vulnerabilities in Go Cryptography. This update provides the corresponding updates for Go Cryptography code embedded in LXD for CVE-2026-39830, CVE-2026-39833, CVE-2026-39834, and CVE-2026-42508. Original advisory details: It was discovered that Go Cryptography did not properly...
USN-8356-1 gsasl vulnerability
It was discovered that GNU SASL did not properly handle certain DIGEST-MD5 tokens. An attacker could possibly use this issue to cause GNU SASL to crash, resulting in a denial of service...
USN-8323-1 postorius vulnerability
It was discovered that Postorius did not properly escape HTML in message subjects when rendering the Held messages pop-up. An attacker could possibly use this issue to inject arbitrary HTML, resulting in exposure of sensitive information...
USN-8319-1 libgcrypt20 vulnerabilities
It was discovered that Libgcrypt incorrectly handled crafted ECDH ciphertext. An attacker could possibly use this issue to cause Libgcrypt to crash, resulting in a denial of service. CVE-2026-41989 It was discovered that Libgcrypt incorrectly handled Dilithium signing. An attacker could possibly...
USN-8317-1 gst-plugins-good1.0 vulnerabilities
It was discovered that GStreamer Good Plugins incorrectly handled certain MP4 audio tracks. An attacker could possibly use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service...
USN-8314-1 ayttm vulnerabilities
It was discovered that Expat, vendored in Ayttm, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...