Ubuntu security notices

These are the Ubuntu security notices that affect the current supported releases of Ubuntu. These notices are also posted to the ubuntu-security-announce mailing list (list archive). To report a security vulnerability in an Ubuntu package, please file a bug, or contact security@ubuntu.com. You may also be interested in learning about Ubuntu security policies. For more details on a specific CVE or source package, please see the Ubuntu CVE Tracker.

You can also view the latest notices by subscribing to the RSS or the Atom feeds.

< Previous   Showing page 2 of 61   Next >
Show: All  

USN-2646-2: Linux kernel regression - 21st June 2015

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside ...

http://bugs.launchpad.net/bugs/1465998

USN-2644-2: Linux kernel (Utopic HWE) regression - 21st June 2015

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside ...

http://bugs.launchpad.net/bugs/1465998

USN-2643-2: Linux kernel regression - 21st June 2015

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside ...

http://bugs.launchpad.net/bugs/1465998

USN-2642-2: Linux kernel (Trusty HWE) regression - 21st June 2015

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside ...

http://bugs.launchpad.net/bugs/1465998

USN-2641-2: Linux kernel (OMAP4) regression - 21st June 2015

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside ...

http://bugs.launchpad.net/bugs/1465998

USN-2640-2: Linux kernel regression - 21st June 2015

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside ...

http://bugs.launchpad.net/bugs/1465998

USN-2650-1: wpa_supplicant and hostapd vulnerabilities - 16th June 2015

Kostya Kortchinsky discovered multiple flaws in wpa_supplicant and hostapd. A remote attacker could use these issues to cause wpa_supplicant or hostapd to crash, resulting in a denial of service. (CVE-2015-4141, CVE-2015-4142, CVE-2015-4143, CVE-2015-4144, CVE-2015-4145, CVE-2015-4146)

CVE-2015-4141 CVE-2015-4142 CVE-2015-4143 CVE-2015-4144 CVE-2015-4145 CVE-2015-4146

USN-2649-1: devscripts vulnerability - 16th June 2015

It was discovered that the uupdate tool incorrectly handled symlinks. If a user or automated system were tricked into processing specially crafted files, a remote attacker could possibly replace arbitrary files, leading to a privilege escalation.

CVE-2014-1833

USN-2648-1: Aptdaemon vulnerability - 16th June 2015

Tavis Ormandy discovered that Aptdeamon incorrectly handled the simulate dbus method. A local attacker could use this issue to possibly expose sensitive information, or perform other file access as the root user.

CVE-2015-1323

USN-2647-1: Linux kernel vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2646-1: Linux kernel vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2645-1: Linux kernel (Vivid HWE) vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2644-1: Linux kernel (Utopic HWE) vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2643-1: Linux kernel vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2642-1: Linux kernel (Trusty HWE) vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2641-1: Linux kernel (OMAP4) vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2640-1: Linux kernel vulnerability - 15th June 2015

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

CVE-2015-1328

USN-2639-1: OpenSSL vulnerabilities - 11th June 2015

Praveen Kariyanahalli, Ivan Fratric and Felix Groebert discovered that OpenSSL incorrectly handled memory when buffering DTLS data. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-8176) Joseph Barr-Pixton discovered that OpenSSL incorrectly handled malformed ECParameters ...

CVE-2014-8176 CVE-2015-1788 CVE-2015-1789 CVE-2015-1790 CVE-2015-1791 CVE-2015-1792

USN-2638-1: Linux kernel vulnerabilities - 10th June 2015

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275) Wen Xu discovered a use-after-free flaw in the ...

CVE-2015-0275 CVE-2015-3636 CVE-2015-4036

USN-2637-1: Linux kernel vulnerabilities - 10th June 2015

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275) Wen Xu discovered a use-after-free flaw in the ...

CVE-2015-0275 CVE-2015-3636

USN-2636-1: Linux kernel (Vivid HWE) vulnerabilities - 10th June 2015

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275) Wen Xu discovered a use-after-free flaw in the ...

CVE-2015-0275 CVE-2015-3636 CVE-2015-4036

USN-2635-1: Linux kernel (Utopic HWE) vulnerabilities - 10th June 2015

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275) Wen Xu discovered a use-after-free flaw in the ...

CVE-2015-0275 CVE-2015-3636

USN-2634-1: Linux kernel vulnerabilities - 10th June 2015

Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. (CVE-2015-3636) A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local ...

CVE-2015-3636 CVE-2015-4036

USN-2633-1: Linux kernel (Trusty HWE) vulnerabilities - 10th June 2015

Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. (CVE-2015-3636) A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local ...

CVE-2015-3636 CVE-2015-4036

USN-2632-1: Linux kernel (OMAP4) vulnerabilities - 10th June 2015

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service (host crash). (CVE-2015-2150) A privilege escalation was discovered in the fork syscall via the int80 ...

CVE-2015-2150 CVE-2015-2830 CVE-2015-3331 CVE-2015-3636 CVE-2015-4167

USN-2631-1: Linux kernel vulnerabilities - 10th June 2015

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service (host crash). (CVE-2015-2150) A privilege escalation was discovered in the fork syscall via the int80 ...

CVE-2015-2150 CVE-2015-2830 CVE-2015-3331 CVE-2015-3636 CVE-2015-4167

USN-2630-1: QEMU vulnerabilities - 10th June 2015

Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt, attackers ...

CVE-2015-3209 CVE-2015-4037 CVE-2015-4103 CVE-2015-4104 CVE-2015-4105 CVE-2015-4106

USN-2629-1: CUPS vulnerabilities - 10th June 2015

It was discovered that CUPS incorrectly handled reference counting when handling localized strings. A remote attacker could use this issue to escalate permissions, upload a replacement CUPS configuration file, and execute arbitrary code. (CVE-2015-1158) It was discovered that the CUPS templating engine contained a cross-site scripting issue. A remote attacker ...

CVE-2015-1158 CVE-2015-1159

USN-2628-1: strongSwan vulnerability - 8th June 2015

Alexander E. Patrakov discovered that strongSwan incorrectly handled certain IKEv2 setups. A malicious server could possibly use this issue to obtain user credentials.

CVE-2015-4171

USN-2627-1: t1utils vulnerability - 3rd June 2015

Jakub Wilk discovered that t1utils incorrectly handled certain malformed fonts. If a user or automated system were tricked into opening a specially crafted font, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.

CVE-2015-3905

USN-2626-1: Qt vulnerabilities - 3rd June 2015

Wolfgang Schenk discovered that Qt incorrectly handled certain malformed GIF images. If a user or automated system were tricked into opening a specially crafted GIF image, a remote attacker could use this issue to cause Qt to crash, resulting in a denial of service. This issue only applied to Ubuntu ...

CVE-2014-0190 CVE-2015-0295 CVE-2015-1858 CVE-2015-1859 CVE-2015-1860

USN-2625-1: Apache HTTP Server update - 2nd June 2015

As a security improvement, this update makes the following changes to the Apache package in Ubuntu 12.04 LTS: Added support for ECC keys and ECDH ciphers. The SSLProtocol configuration directive now allows specifying the TLSv1.1 and TLSv1.2 protocols. Ephemeral key handling has been improved, including allowing DH parameters to be ...

LP: 1197884 LP: 1400473

USN-2624-1: OpenSSL update - 1st June 2015

As a security improvement, this update removes the export cipher suites from the default cipher list to prevent their use in possible downgrade attacks.

LP: 1460735

USN-2623-1: ipsec-tools vulnerability - 1st June 2015

It was discovered that racoon, the ipsec-tools IKE daemon, incorrectly handled certain UDP packets. A remote attacker could use this issue to cause racoon to crash, resulting in a denial of service.

CVE-2015-4047

USN-2617-3: NTFS-3G vulnerability - 27th May 2015

USN-2617-1 fixed a vulnerability in NTFS-3G. The original patch did not completely address the issue. This update fixes the problem. Original advisory details: Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrative privileges.

CVE-2015-3202

USN-2622-1: OpenLDAP vulnerabilities - 26th May 2015

It was discovered that OpenLDAP incorrectly handled certain search queries that returned empty attributes. A remote attacker could use this issue to cause OpenLDAP to assert, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-1164) Michael Vishchers discovered that OpenLDAP improperly counted references when the ...

CVE-2012-1164 CVE-2013-4449 CVE-2015-1545

USN-2621-1: PostgreSQL vulnerabilities - 25th May 2015

Benkocs Norbert Attila discovered that PostgreSQL incorrectly handled authentication timeouts. A remote attacker could use this flaw to cause the unauthenticated session to crash, possibly leading to a security issue. (CVE-2015-3165) Noah Misch discovered that PostgreSQL incorrectly handled certain standard library function return values, possibly leading to security issues. (CVE-2015-3166) ...

CVE-2015-3165 CVE-2015-3166 CVE-2015-3167

USN-2620-1: Linux kernel vulnerability - 23rd May 2015

A flaw was discovered in the Linux kernel's IPv4 networking when using TCP fast open to initiate a connection. An unprivileged local user could exploit this flaw to cause a denial of service (system crash).

CVE-2015-3332

USN-2619-1: Linux kernel (Trusty HWE) vulnerability - 23rd May 2015

A flaw was discovered in the Linux kernel's IPv4 networking when using TCP fast open to initiate a connection. An unprivileged local user could exploit this flaw to cause a denial of service (system crash).

CVE-2015-3332

USN-2617-2: NTFS-3G vulnerability - 22nd May 2015

USN-2617-1 fixed a vulnerability in FUSE. This update provides the corresponding fix for the embedded FUSE copy in NTFS-3G. Original advisory details: Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrative privileges.

CVE-2015-3202

USN-2618-1: python-dbusmock vulnerability - 21st May 2015

It was discovered that python-dbusmock incorrectly handled template loading from shared directories. A local attacker could possibly use this issue to execute arbitrary code.

CVE-2015-1326

USN-2609-1: Apport vulnerabilities - 21st May 2015

Sander Bos discovered that Apport incorrectly handled permissions when the system was configured to generate core dumps for setuid binaries. A local attacker could use this issue to gain elevated privileges. (CVE-2015-1324) Philip Pettersson discovered that Apport contained race conditions resulting core dumps to be generated with incorrect permissions in ...

CVE-2015-1324 CVE-2015-1325

USN-2617-1: FUSE vulnerability - 21st May 2015

Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrative privileges.

CVE-2015-3202

USN-2610-1: Oxide vulnerabilities - 21st May 2015

Several security issues were discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to bypass Same Origin Policy restrictions. (CVE-2015-1253, CVE-2015-1254) A use-after-free was discovered in the WebAudio implementation in Chromium. If a user ...

CVE-2015-1253 CVE-2015-1254 CVE-2015-1255 CVE-2015-1256 CVE-2015-1257 CVE-2015-1258 CVE-2015-1260 CVE-2015-1262 CVE-2015-1265 CVE-2015-3910

USN-2616-1: Linux kernel vulnerabilities - 20th May 2015

Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. (CVE-2014-9710) A memory corruption issue was discovered in AES decryption when using the Intel AES-NI accelerated code path. A ...

CVE-2014-9710 CVE-2015-3331 CVE-2015-3332

USN-2615-1: Linux kernel (Utopic HWE) vulnerabilities - 20th May 2015

Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. (CVE-2014-9710) A memory corruption issue was discovered in AES decryption when using the Intel AES-NI accelerated code path. A ...

CVE-2014-9710 CVE-2015-3331 CVE-2015-3332

USN-2614-1: Linux kernel vulnerabilities - 20th May 2015

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network (LAN) could potential exploit this flaw to cause a denial of service (system crash of targeted system). (CVE-2014-9715) Jan Beulich discovered the Xen virtual machine subsystem ...

CVE-2014-9715 CVE-2015-2150 CVE-2015-2830 CVE-2015-3331

USN-2613-1: Linux kernel (Trusty HWE) vulnerabilities - 20th May 2015

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network (LAN) could potential exploit this flaw to cause a denial of service (system crash of targeted system). (CVE-2014-9715) Jan Beulich discovered the Xen virtual machine subsystem ...

CVE-2014-9715 CVE-2015-2150 CVE-2015-2830 CVE-2015-3331

USN-2612-1: Linux kernel (OMAP4) vulnerabilities - 20th May 2015

A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges. (CVE-2015-3339) Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker ...

CVE-2014-9715 CVE-2015-3339

USN-2611-1: Linux kernel vulnerability - 20th May 2015

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network (LAN) could potential exploit this flaw to cause a denial of service (system crash of targeted system).

CVE-2014-9715

< Previous   Showing page 2 of 61   Next >
Show: All