USN-3358-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive information kernel memory. CVE-2014-9900 Alexander Potapenko discovered a race condition in the Advanced Linux Sound Architecture ALSA subsystem i...

USN-5300-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. CVE-2015-9253, CVE-2017-8923, CVE-2017-9118, CVE-2017-9120 It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this iss...

USN-4753-1: Linux kernel (OEM) vulnerability

It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data...

USN-4716-1: MySQL 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 8.0.23 in Ubuntu 20.04 LTS and Ubuntu 20.10. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.33. In addition to security fixes...

USN-4440-1: linux kernel vulnerabilities

It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An attacker could possibly use this to cause a denial of service system crash. CVE-2019-16089 It was discovered that the kernel-user space relay...

USN-3932-1: Linux kernel 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-3312-1: Linux kernel vulnerabilities

It was discovered that the netfilter netlink implementation in the Linux kernel did not properly validate batch messages. A local attacker with the CAPNETADMIN capability could use this to expose sensitive information or cause a denial of service. CVE-2016-7917 Qian Zhang discovered a heap-based...

USN-5839-1: Apache HTTP Server vulnerabilities

It was discovered that the Apache HTTP Server moddav module incorrectly handled certain If: request headers. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. CVE-2006-20001 ZeddYuLu discovered that the Apache HTTP Server modproxyajp...

USN-5260-1: Samba vulnerabilities

Orange Tsai discovered that the Samba vfsfruit module incorrectly handled certain memory operations. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code as root. CVE-2021-44142 Michael Hanselmann discovered that Samb...

USN-5051-1: OpenSSL vulnerabilities

John Ouyang discovered that OpenSSL incorrectly handled decrypting SM2 data. A remote attacker could use this issue to cause applications using OpenSSL to crash, resulting in a denial of service, or possibly change application behaviour. CVE-2021-3711 Ingo Schwarze discovered that OpenSSL...

USN-4369-2: Linux kernel regression

USN-4369-1 fixed vulnerabilities in the 5.3 Linux kernel. Unfortunately, that update introduced a regression in overlayfs. This update corrects the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the btrfs implementation in the Linux kernel did not...

USN-4049-1: GLib vulnerability

It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information...

USN-3922-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. CVE-2019-9637, CVE-2019-9638, CVE-2019-9639, CVE-2019-9640, CVE-2019-9641...

USN-2880-1: Firefox vulnerabilities

Bob Clary, Christian Holler, Nils Ohlmeier, Gary Kwong, Jesse Ruderman, Carsten Book, Randell Jesup, Nicolas Pierron, Eric Rescorla, Tyson Smith, and Gabor Krizsanits discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker...

USN-2710-1: OpenSSH vulnerabilities

Moritz Jodeit discovered that OpenSSH incorrectly handled usernames when using PAM authentication. If an additional vulnerability were discovered in the OpenSSH unprivileged child process, this issue could allow a remote attacker to perform user impersonation. CVE number pending Moritz Jodeit...

USN-7206-1: rsync vulnerabilities

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync did not properly handle checksum lengths. An attacker could use this issue to execute arbitrary code. CVE-2024-12084 Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync compared checksums with...

USN-7167-1: 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: - Ext4 file system; - Network traffic control; - VMware vSockets driver; CVE-2024-50264, CVE-2024-49967, CVE-2024-530...

USN-5218-1: Linux kernel (OEM) 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 eBPF implementation in the Linux...

USN-4525-1: Linux kernel vulnerabilities

It was discovered that the AMD Cryptographic Coprocessor device driver in the Linux kernel did not properly deallocate memory in some situations. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2019-18808 It was discovered that the Conexant 23885 TV card device...

USN-4211-1: Linux kernel vulnerabilities

Zhipeng Xie discovered that an infinite loop could be triggered in the CFS Linux kernel process scheduler. A local attacker could possibly use this to cause a denial of service. CVE-2018-20784 Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel did not properly validate SSID...

USN-4060-1: NSS vulnerabilities

Henry Corrigan-Gibbs discovered that NSS incorrectly handled importing certain curve25519 private keys. An attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2019-11719 Hubert Kario discovered that NSS incorrectly...

USN-3993-2: curl vulnerability

USN-3993-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that curl incorrectly handled memory when receiving data from a TFTP server. A remote attacker could use this issue to...

USN-3773-1: Ghostscript vulnerabilities

It was discovered that Ghostscript contained multiple security issues. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service...

USN-7257-1: Kerberos vulnerability

Goldberg, Miro Haller, Nadia Heninger, Mike Milano, Dan Shumow, Marc Stevens, and Adam Suhl discovered that Kerberos incorrectly authenticated certain responses. An attacker able to intercept communications between a RADIUS client and server could possibly use this issue to forge responses, bypas...

USN-7245-1: MySQL 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 8.0.41 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10. In addition to security fixes, the updated packages contain bug...

USN-6478-1: Traceroute vulnerability

It was discovered that Traceroute did not properly parse command line arguments. An attacker could possibly use this issue to execute arbitrary commands...

USN-6052-1: Linux kernel vulnerability

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-4991-1: libxml2 vulnerabilities

Yunho Kim discovered that libxml2 incorrectly handled certain error conditions. A remote attacker could exploit this with a crafted XML file to cause a denial of service, or possibly cause libxml2 to expose sensitive information. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM...

USN-4943-1: XStream vulnerabilities

Zhihong Tian and Hui Lu found that XStream was vulnerable to remote code execution. A remote attacker could run arbitrary shell commands by manipulating the processed input stream. This issue affected only affected Ubuntu 20.10. CVE-2020-26217 It was discovered that XStream was vulnerable to...

USN-4698-1: Dnsmasq vulnerabilities

Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled memory when sorting RRsets. A remote attacker could use this issue to cause Dnsmasq to hang, resulting in a denial of service, or possibly execute arbitrary code. CVE-2020-25681, CVE-2020-25687 Moshe Kol and Shlomi Oberman...

USN-4111-1: Ghostscript vulnerabilities

Hiroki Matsukuma discovered that the PDF interpreter in Ghostscript did not properly restrict privileged calls when ‘-dSAFER’ restrictions were in effect. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access...

USN-3430-2: Dnsmasq vulnerabilities

USN-3430-1 fixed several vulnerabilities in Dnsmasq. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could...

USN-5580-1: Linux kernel (AWS) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 It was...

USN-5425-1: PCRE vulnerabilities

Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications using PCRE to expose sensitive information. This issue only affects Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 21.10 and Ubuntu 22.0...

USN-5343-1: Linux kernel vulnerabilities

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 releaseagent feature. A local attacker could use this to gain administrative privileges. CVE-2022-0492 It was discovered that the aufs file system in the Linux...

USN-5090-4: Apache HTTP Server regression

USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem. Original advisory details: James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote...

USN-5082-1: Linux kernel (OEM) vulnerabilities

Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory...

USN-5002-1: Linux kernel (HWE) vulnerability

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code...

USN-4953-1: AWStats vulnerabilities

Sean Boran discovered that AWStats incorrectly filtered certain parameters. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2020-29600 It was discovered that AWStats incorrectly filtered certain parameters. A remote attacker could possibly use this issue to access...

USN-4734-2: wpa_supplicant and hostapd vulnerabilities

USN-4734-1 fixed several vulnerabilities in wpasupplicant. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that wpasupplicant did not properly handle P2P Wi-Fi Direct group information in some situations, leading to a heap overflow. A physically proximate...

USN-4683-1: Linux kernel (OEM) vulnerability

Minh Yuan discovered that the framebuffer console driver in the Linux kernel did not properly handle fonts in some conditions. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory...

USN-4135-2: Linux kernel vulnerabilities

Peter Pi discovered a buffer overflow in the virtio network backend vhostnet implementation in the Linux kernel. An attacker in a guest may be able to use this to cause a denial of service host OS crash or possibly execute arbitrary code in the host OS. CVE-2019-14835 It was discovered that the...

USN-4112-1: Ceph vulnerability

Abhishek Lekshmanan discovered that the RADOS gateway implementation in Ceph did not handle client disconnects properly in some situations. A remote attacker could use this to cause a denial of service...

USN-4049-2: GLib vulnerability

USN-4049-1 fixed a vulnerability in GLib. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this iss...

USN-4003-1: Qt vulnerabilities

It was discovered that Qt incorrectly handled certain XML documents. A remote attacker could use this issue with a specially crafted XML document to cause Qt to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2018-15518 It was discovered that Qt incorrectly handle...

USN-5391-1: libsepol vulnerabilities

Nicolas Iooss discovered that libsepol incorrectly handled memory when handling policies. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2021-36084 It was discovered that libsepol incorrectly handled memory whe...

USN-5079-1: curl vulnerabilities

It was discovered that curl incorrect handled memory when sending data to an MQTT server. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2021-22945 Patrick Monnerat discovered that curl incorrectly handled...

LSN-0080-1: Kernel Live Patch Security Notice

Andy Nguyen discovered that the netfilter subsystem in the Linux kernel contained an out-of-bounds write in its setsockopt implementation. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2021-22555...

USN-5022-2: MariaDB vulnerabilities

USN-5022-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2021-2372 and CVE-2021-2389 in MariaDB 10.3 and 10.5. In addition to security fixes, the updated package contain bug fixes, new features, and possibly incompatible changes. Please see the...

USN-4968-2: LZ4 vulnerability

USN-4968-1 fixed a vulnerability in LZ4. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that LZ4 incorrectly handled certain memory operations. If a user or automated system were tricked into uncompressing a...