USN-3871-2: Linux kernel regression

USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, that update introduced regressions with docking station displays and mounting ext4 file systems with the metabg option enabled. This update fixes the problems. We apologize for the inconvenience. Original...

USN-5318-1: Linux kernel vulnerabilities

Nick Gregory discovered that the Linux kernel incorrectly handled network offload functionality. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-25636 Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano Giuffrida...

USN-5015-1: Linux kernel (OEM) vulnerabilities

It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-33909 Michael Brown discovered that the Xen...

USN-4662-1: OpenSSL vulnerability

David Benjamin discovered that OpenSSL incorrectly handled comparing certificates containing a EDIPartyName name type. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service...

USN-4336-1: GNU binutils vulnerabilities

It was discovered that GNU binutils contained a large number of security issues. If a user or automated system were tricked into processing a specially-crafted file, a remote attacker could cause GNU binutils to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4154-1: Sudo vulnerability

Joe Vennix discovered that Sudo incorrectly handled certain user IDs. An attacker could potentially exploit this to execute arbitrary commands as the root user...

USN-4074-1: VLC vulnerabilities

It was discovered that the VLC CAF demuxer incorrectly handled certain files. If a user were tricked into opening a specially-crafted CAF file, a remote attacker could use this issue to cause VLC to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. CVE-2018-19857...

USN-3981-2: Linux kernel (HWE) vulnerabilities

USN-3981-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS and for the Linux Azure kernel for Ubuntu 14.04 LTS. Ke Sun, Henrique Kawakami, Kekai H...

USN-3766-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled restarting certain child processes when php-fpm is used. A remote attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 18.04 LTS. CVE-2015-9253 It was discovered that PHP incorrectly handled...

USN-6949-1: 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: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

USN-5942-1: Apache HTTP Server vulnerabilities

Lars Krapf discovered that the Apache HTTP Server modproxy module incorrectly handled certain configurations. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. CVE-2023-25690 Dimas Fariski Setyawan Putra discovered that the Apache HTTP Server modproxyuws...

USN-5443-2: Linux kernel 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-4962-1: Babel vulnerability

It was discovered that Babel incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

USN-4904-1: Linux kernel vulnerabilities

Ben Harris discovered that the Linux kernel would strip extended privilege attributes of files when performing a failed unprivileged system call. A local attacker could use this to cause a denial of service. CVE-2015-1350 Andrey Konovalov discovered that the video4linux driver for Hauppauge HD PV...

USN-4559-1: Samba update

Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue to forge an authentication token and steal the credentials of the domain admin. While a previous security update fixed the issue by changin...

USN-3944-1: wpa_supplicant and hostapd vulnerabilities

It was discovered that wpasupplicant and hostapd were vulnerable to a side channel attack against EAP-pwd. A remote attacker could possibly use this issue to recover certain passwords. CVE-2019-9495 Mathy Vanhoef discovered that wpasupplicant and hostapd incorrectly validated received scalar and...

USN-5100-1: containerd vulnerability

It was discovered that containerd insufficiently restricted permissions on container root and plugin directories. If a user or automated system were tricked into launching a specially crafted container image, a remote attacker could traverse directory contents and modify files and execute program...

USN-4754-4: Python 2.7 vulnerability

USN-4754-1 fixed vulnerabilities in Python. Because of a regression, a subsequent update removed the fix for CVE-2021-3177. This update reinstates the security fix for CVE-2021-3177. We apologize for the inconvenience. Original advisory details: It was discovered that Python incorrectly handled...

USN-4725-1: QEMU vulnerabilities

It was discovered that QEMU incorrectly handled memory in iSCSI emulation. An attacker inside the guest could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2020-11947 Alexander Bulekov discovered tha...

USN-4208-1: Linux kernel vulnerabilities

Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

USN-4014-2: GLib vulnerability

USN-4014-1 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 incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information...

USN-3078-1: MySQL vulnerability

Dawid Golunski discovered that MySQL incorrectly handled configuration files. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. MySQL has been updated to 5.5.52 in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 16.04 LTS has been updated to MySQL 5.7.1...

USN-894-1: Linux kernel vulnerabilities

Amerigo Wang and Eric Sesterhenn discovered that the HFS and ext4 filesystems did not correctly check certain disk structures. If a user were tricked into mounting a specially crafted filesystem, a remote attacker could crash the system or gain root privileges. CVE-2009-4020, CVE-2009-4308 It was...

USN-4952-1: 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 8.0.25 in Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. Ubuntu 18.04 LTS has been updated to MySQL 5.7.34. In addition to security fixes, the...

USN-4032-1: Firefox vulnerability

It was discovered that a sandboxed child process could open arbitrary web content in the parent process via the Prompt:Open IPC message. When combined with another vulnerability, an attacker could potentially exploit this to execute arbitrary code...

USN-3983-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3983-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Luta...

USN-5551-1: mod-wsgi vulnerability

It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this issue to pass the header to WSGI applications, contrary to expectations...

USN-5247-1: Vim vulnerabilities

It was discovered that vim incorrectly handled parsing of filenames in its search functionality. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. This issue only affected Ubuntu 21.10. CVE-2021-3973 It was...

LSN-0079-1: Kernel Live Patch Security Notice

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.CVE-2021-3600 It was discovered that the virtual file system...

USN-5018-1: Linux kernel vulnerabilities

It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-33909 Piotr Krysiuk discovered that the eBPF...

USN-4898-1: curl vulnerabilities

Viktor Szakats discovered that curl did not strip off user credentials from referrer header fields. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2021-22876 Mingtao Yang discovered that curl incorrectly handled session tickets when using an HTTPS proxy. A...

USN-7007-1: Linux kernel vulnerabilities

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2024-23848 Chenyuan Yang discovered that the USB Gadget subsystem in...

USN-5022-3: MySQL vulnerabilities

USN-5022-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to...

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-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-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-6502-1: Linux kernel vulnerabilities

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. CVE-2023-25775 Yu Hao discover...

USN-4945-1: Linux kernel vulnerabilities

It was discovered that the Nouveau GPU driver in the Linux kernel did not properly handle error conditions in some situations. A local attacker could use this to cause a denial of service system crash. CVE-2020-25639 Jan Beulich discovered that the Xen netback backend in the Linux kernel did not...

USN-4489-1: Linux kernel vulnerability

Or Cohen discovered that the AFPACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-3937-2: Apache vulnerabilities

USN-3937-1 and USN-3627-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Simon Kappel discovered that the Apache HTTP Server modauthdigest module incorrectly handled threads. A remote attacker with valid...

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-5341-1: GNU binutils vulnerabilities

It was discovered that GNU binutils incorrectly handled checks for memory allocation when parsing relocs in a corrupt file. An attacker could possibly use this issue to cause a denial of service. CVE-2017-17122 It was discovered that GNU binutils incorrectly handled certain corrupt DWARF debug...

USN-5267-3: Linux kernel (Raspberry Pi) vulnerabilities

USN-5267-1 fixed vulnerabilities in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Raspberry Pi devices. Original advisory details: It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local...

USN-4934-1: Exim vulnerabilities

It was discovered that Exim contained multiple security issues. An attacker could use these issues to cause a denial of service, execute arbitrary code remotely, obtain sensitive information, or escalate local privileges...

USN-4877-1: Linux kernel vulnerabilities

It was discovered that the Marvell WiFi-Ex device driver in the Linux kernel did not properly validate ad-hoc SSIDs. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-36158 吴异 discovered that the NFS implementation in the Linux...

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-4114-1: Linux kernel vulnerabilities

Amit Klein and Benny Pinkas discovered that the Linux kernel did not sufficiently randomize IP ID values generated for connectionless networking protocols. A remote attacker could use this to track particular Linux devices. CVE-2019-10638 Praveen Pandey discovered that the Linux kernel did not...

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-2711-1: Net-SNMP vulnerabilities

It was discovered that Net-SNMP incorrectly handled certain trap messages when the -OQ option was used. A remote attacker could use this issue to cause Net-SNMP to crash, resulting in a denial of service. CVE-2014-3565 Qinghao Tang discovered that Net-SNMP incorrectly handled SNMP PDU parsing...

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...